Words ending with "al" by length(5456)
2-letter words (1)
4-letter words (39)
5-letter words (160)
- algal
- annal
- appal
- areal
- argal
- artal
- arval
- aural
- axial
- basal
- binal
- boral
- bubal
- cabal
- cecal
- cital
- comal
- copal
- coral
- cowal
- coxal
- craal
- datal
- decal
- dedal
- dital
- domal
- dotal
- ducal
- dural
- equal
- ethal
- fatal
- fecal
- femal
- feral
- fetal
- final
- focal
- fugal
- fural
- gayal
- gazal
- genal
- glial
- goral
- graal
- gyral
- hadal
- halal
- hamal
- hemal
- horal
- ictal
- ideal
- ileal
- ilial
- jacal
- jooal
- joual
- jugal
- jural
- kahal
- kraal
- legal
- local
- loral
- loyal
- medal
- mesal
- metal
- modal
- molal
- monal
- moral
- mural
- nahal
- nasal
- natal
- naval
- neral
- nidal
- nival
- nodal
- nopal
- notal
- noxal
- octal
- offal
- orval
- papal
- pedal
- penal
- petal
- phial
- pibal
- pical
- pipal
- podal
- pokal
- poral
- prial
- pupal
- pygal
- pyral
- ramal
- ratal
- recal
- regal
- renal
- rival
- riyal
- romal
- roral
- rotal
- royal
- rugal
- rumal
- rural
- sabal
- salal
- sepal
- seral
- setal
- sheal
- shoal
- sisal
- skoal
- soral
- speal
- spial
- spyal
- steal
- sural
- sweal
- tamal
- tepal
- tical
- tidal
- tonal
- total
- trial
- tubal
- typal
- ureal
- urial
- urnal
- usual
- uveal
- vagal
- vasal
- venal
- vinal
- viral
- vital
- vocal
- wheal
- zoeal
- zonal
- zygal
6-letter words (310)
- aboral
- acetal
- actual
- adoral
- aecial
- aerial
- agonal
- amoral
- amytal
- animal
- anneal
- annual
- anodal
- antral
- anural
- aortal
- apical
- apneal
- apodal
- appeal
- astral
- atabal
- atokal
- atonal
- atrial
- audial
- avital
- avowal
- axonal
- azonal
- barbal
- bedral
- benzal
- bharal
- biaxal
- boreal
- bridal
- bromal
- brumal
- brutal
- buccal
- buntal
- burial
- bursal
- byssal
- caecal
- carnal
- carpal
- casual
- caudal
- causal
- cental
- cercal
- cereal
- chiral
- chital
- choral
- citral
- clinal
- clonal
- coaxal
- coccal
- coeval
- coital
- corral
- costal
- cotwal
- coucal
- credal
- crinal
- crotal
- crural
- cuneal
- curial
- cursal
- curtal
- cuspal
- cymbal
- daedal
- denial
- dental
- dermal
- discal
- dismal
- distal
- dorsal
- dossal
- ductal
- enodal
- enseal
- epical
- espial
- estral
- facial
- faecal
- fallal
- farfal
- faucal
- faunal
- fecial
- feodal
- ferial
- festal
- fetial
- feudal
- filial
- finial
- fiscal
- floral
- foetal
- fontal
- formal
- foveal
- frugal
- fungal
- furcal
- garial
- gavial
- genial
- genual
- geodal
- ghazal
- gimbal
- gimmal
- gingal
- glebal
- global
- gooral
- gymbal
- gymmal
- haemal
- hallal
- hammal
- hartal
- herbal
- hiatal
- hiemal
- hyetal
- hymnal
- hyphal
- instal
- iridal
- irreal
- jackal
- jandal
- jingal
- jovial
- jumbal
- keypal
- kotwal
- labial
- laical
- larval
- lethal
- lienal
- lineal
- loreal
- luteal
- mahmal
- mammal
- mangal
- manual
- meatal
- medial
- menial
- mensal
- mental
- mescal
- mesial
- mezcal
- miskal
- missal
- mitral
- monial
- morsal
- mortal
- mutual
- narial
- narwal
- nasial
- nerval
- neural
- normal
- nounal
- nuchal
- obital
- ogival
- omasal
- ooidal
- oorial
- ordeal
- osteal
- ostial
- paleal
- palpal
- pardal
- parial
- parral
- pascal
- pausal
- penial
- pennal
- phonal
- pineal
- pinnal
- plagal
- plexal
- plical
- plural
- podial
- pontal
- portal
- postal
- primal
- pulpal
- puteal
- quezal
- racial
- radial
- rameal
- rascal
- recoal
- rectal
- redeal
- redial
- regnal
- rental
- repeal
- reseal
- retial
- retral
- reveal
- rhinal
- rictal
- ritual
- roseal
- sacral
- sallal
- sambal
- sandal
- santal
- scutal
- sendal
- septal
- serial
- serval
- signal
- simial
- social
- spinal
- spiral
- spital
- sporal
- squeal
- statal
- stomal
- sulcal
- tarnal
- tarsal
- tectal
- telial
- tergal
- ternal
- thecal
- thenal
- tibial
- timbal
- tincal
- tindal
- tineal
- tombal
- tomial
- tragal
- tribal
- trinal
- tussal
- tymbal
- umbral
- uncial
- ungual
- unheal
- unital
- unleal
- unreal
- unseal
- unweal
- urinal
- valval
- vandal
- varsal
- vassal
- veinal
- venial
- verbal
- vermal
- vernal
- versal
- vestal
- vidual
- vineal
- vistal
- visual
- vorpal
- vulval
- wadmal
- withal
- worral
- xenial
- zooeal
- zoonal
7-letter words (412)
- abaxial
- abettal
- abuttal
- abysmal
- abyssal
- acaudal
- acausal
- accrual
- accusal
- achiral
- acronal
- actinal
- adagial
- adaxial
- admiral
- adnexal
- adrenal
- affinal
- affixal
- albinal
- allheal
- alodial
- amental
- ammiral
- ammonal
- amygdal
- anaxial
- anconal
- anginal
- apnoeal
- apogeal
- apsidal
- apteral
- arousal
- arrayal
- arrival
- arsenal
- asocial
- augural
- auroral
- austral
- balneal
- basinal
- bathyal
- bederal
- bemedal
- benthal
- bestial
- biaxial
- bifocal
- bimetal
- bimodal
- bipedal
- bitonal
- bizonal
- borstal
- brinjal
- burghal
- butyral
- cambial
- cameral
- canthal
- capital
- caporal
- caracal
- carinal
- castral
- censual
- central
- ceramal
- cerrial
- cesural
- chaetal
- chappal
- chasmal
- chloral
- chordal
- choreal
- chorial
- clausal
- cloacal
- clypeal
- cnemial
- coaeval
- coastal
- coaxial
- coequal
- comical
- comital
- conceal
- conchal
- congeal
- conical
- cordial
- corival
- corneal
- cornual
- coronal
- coryzal
- cotidal
- cranial
- creedal
- crestal
- crissal
- crucial
- crustal
- cryptal
- crystal
- cubical
- cubital
- cynical
- datival
- decadal
- decimal
- decrial
- deiseal
- deposal
- devisal
- dextral
- diarial
- diedral
- digital
- digonal
- disleal
- diurnal
- domical
- ectypal
- edental
- edictal
- eluvial
- elytral
- encinal
- enteral
- enthral
- epaxial
- ephoral
- epigeal
- epochal
- equinal
- estival
- estrual
- eternal
- ethical
- excusal
- exposal
- exuvial
- factual
- fascial
- faucial
- federal
- feminal
- femoral
- figural
- finical
- fluidal
- fluvial
- fractal
- frampal
- frontal
- funeral
- futural
- gametal
- gastral
- geminal
- general
- genital
- geoidal
- gharial
- glacial
- glareal
- glossal
- glottal
- gluteal
- gnathal
- gomeral
- gonadal
- gradual
- gremial
- hederal
- helical
- hematal
- hernial
- humeral
- humoral
- hymenal
- hyoidal
- hypural
- illegal
- immoral
- incisal
- incudal
- indexal
- initial
- inthral
- intimal
- invital
- irideal
- iridial
- ischial
- jejunal
- journal
- juvenal
- kursaal
- lacteal
- lacunal
- laminal
- lanital
- lateral
- lexical
- liberal
- liminal
- lingual
- literal
- litoral
- lochial
- loessal
- logical
- lumenal
- luminal
- lustral
- lyrical
- magical
- marital
- marshal
- martial
- matinal
- maximal
- mayoral
- medical
- medusal
- membral
- mensual
- metical
- miasmal
- mimical
- mineral
- minimal
- misdeal
- misdial
- mistral
- monadal
- mondial
- mucosal
- musical
- nadiral
- nagmaal
- narwhal
- natural
- nemoral
- neutral
- nodical
- nominal
- nonoral
- nucleal
- numeral
- nuptial
- nutmeal
- nymphal
- oatmeal
- obitual
- octaval
- oedipal
- oestral
- omental
- optical
- optimal
- orbital
- ordinal
- oscheal
- osmolal
- ovarial
- ovoidal
- paginal
- pairial
- palatal
- pallial
- paludal
- papyral
- partial
- paschal
- pascual
- patrial
- peregal
- peroral
- perusal
- peytral
- phaseal
- phrasal
- pivotal
- pleonal
- pleural
- pluteal
- pluvial
- poundal
- predial
- premeal
- preoral
- proctal
- puberal
- pursual
- quantal
- quetzal
- quintal
- quittal
- rachial
- radical
- recital
- recusal
- refusal
- refutal
- reginal
- removal
- renewal
- reposal
- retinal
- retiral
- retotal
- retrial
- revisal
- revival
- rorqual
- rostral
- ruderal
- ruminal
- sahiwal
- salival
- satyral
- scandal
- scleral
- scribal
- scrotal
- seconal
- segetal
- seismal
- seminal
- sensual
- serosal
- serumal
- several
- shimaal
- shrinal
- sideral
- sinical
- somital
- somnial
- sororal
- spacial
- spathal
- spatial
- special
- spheral
- sponsal
- spousal
- stadial
- sternal
- stibial
- stigmal
- stoical
- stratal
- stromal
- subdual
- subgoal
- suboral
- suboval
- sudoral
- sundial
- surreal
- sutural
- synodal
- syzygal
- tactual
- tapetal
- tertial
- textual
- thermal
- timbral
- tissual
- topical
- toxical
- trental
- trivial
- trochal
- trucial
- truncal
- tumoral
- typical
- umbonal
- uncinal
- unequal
- unideal
- unmoral
- unroyal
- unusual
- unvital
- unvocal
- uprisal
- uredial
- uxorial
- vaginal
- vatical
- vegetal
- ventral
- veronal
- vesical
- vestral
- vicinal
- victual
- viminal
- virtual
- wadmaal
- zoarial
- zooidal
8-letter words (585)
- abapical
- abbatial
- abnormal
- abomasal
- achenial
- acquiral
- acromial
- adumbral
- aecidial
- aestival
- affixial
- agential
- agrestal
- allodial
- alluvial
- alogical
- amphoral
- anarchal
- anconeal
- anhedral
- antennal
- antheral
- apologal
- approval
- aquarial
- arbitral
- arboreal
- archaeal
- archival
- argental
- armorial
- arrhizal
- arterial
- asternal
- astragal
- atomical
- atypical
- autodial
- autumnal
- axonemal
- balmoral
- barbital
- baronial
- basidial
- beheadal
- benthoal
- berascal
- bestowal
- betrayal
- biannual
- biblical
- bicaudal
- bidental
- biennial
- bifacial
- bilabial
- bimanual
- bimensal
- binaural
- binomial
- biocidal
- biotical
- biracial
- biradial
- biserial
- bonemeal
- brachial
- bracteal
- breccial
- caesural
- calendal
- caliphal
- calyceal
- candidal
- cannibal
- cantonal
- capsidal
- capsizal
- carceral
- cardinal
- carnival
- carousal
- cathodal
- cerebral
- cervical
- chalazal
- chamisal
- charcoal
- chemical
- chiasmal
- chondral
- chrismal
- cinereal
- clerical
- cliental
- climatal
- clinical
- colonial
- colossal
- columnal
- comitial
- communal
- compital
- conarial
- confocal
- conidial
- conjugal
- conoidal
- conveyal
- cornmeal
- corporal
- corrival
- cortical
- cosmical
- criminal
- critical
- crumenal
- crunodal
- cuboidal
- cultural
- curvital
- cuspidal
- custumal
- cyclical
- cyclonal
- decidual
- declinal
- decretal
- deferral
- defrayal
- deicidal
- deifical
- deisheal
- demersal
- demurral
- dentinal
- dentural
- deprival
- despisal
- detrital
- deverbal
- diaconal
- diagonal
- dianodal
- diarchal
- diastral
- dicrotal
- dihedral
- diluvial
- dioptral
- dipteral
- disloyal
- disposal
- dithecal
- dividual
- doctoral
- domainal
- domanial
- drachmal
- dromical
- duncical
- duodenal
- dyspneal
- ecdysial
- ecocidal
- ecotonal
- effigial
- emetical
- empyreal
- encrinal
- endemial
- entozoal
- envassal
- epidural
- epifocal
- epigaeal
- episodal
- episomal
- eremital
- eschewal
- especial
- espousal
- ethereal
- etherial
- ethnical
- etypical
- eusocial
- eventual
- exarchal
- excretal
- exequial
- exergual
- exordial
- external
- falderal
- familial
- farcical
- festival
- fiducial
- filarial
- fimbrial
- fishmeal
- fissural
- fistical
- flexural
- forbidal
- forestal
- fornical
- fucoidal
- fulgural
- funebral
- funereal
- furfural
- fusional
- galangal
- ganglial
- geranial
- germinal
- gestical
- gestural
- gingival
- glutaeal
- gnomical
- gonadial
- gonidial
- gunmetal
- guttural
- gyroidal
- habitual
- haematal
- hallucal
- haptical
- hectical
- heliacal
- heroical
- hibernal
- hormonal
- hospital
- hymeneal
- hymenial
- hypogeal
- iatrical
- iconical
- illuvial
- imaginal
- immortal
- imperial
- inchmeal
- indicial
- indusial
- induvial
- inertial
- infaunal
- infernal
- informal
- infrugal
- inguinal
- inimical
- integral
- internal
- interval
- irenical
- ironical
- isogonal
- judicial
- kathodal
- keloidal
- khedival
- knapscal
- lacrimal
- lacrymal
- lagoonal
- laryngal
- lecithal
- limbmeal
- lipoidal
- littoral
- lixivial
- locustal
- loessial
- longeval
- lubrical
- macrural
- madrigal
- malarial
- maniacal
- manorial
- manurial
- marginal
- material
- maternal
- matronal
- medieval
- megadeal
- memorial
- meniscal
- mensural
- metazoal
- methylal
- metrical
- milligal
- minutial
- mistrial
- monachal
- monaural
- monaxial
- monilial
- monomial
- morainal
- motional
- motorial
- mucoidal
- mycelial
- mystical
- mythical
- national
- nauplial
- nautical
- neolocal
- neonatal
- neuronal
- neurosal
- nonequal
- nonfatal
- nonfinal
- nonfocal
- nonideal
- nonlegal
- nonlocal
- nonloyal
- nonmetal
- nonmodal
- nonmoral
- nonnasal
- nonnaval
- nonpapal
- nonrival
- nonroyal
- nonrural
- nontidal
- nontonal
- nonviral
- nonvital
- nonvocal
- notarial
- notional
- noumenal
- novercal
- nundinal
- nurtural
- occlusal
- octantal
- official
- oogonial
- oothecal
- optional
- oriental
- original
- orinasal
- orphical
- outrival
- overzeal
- ovicidal
- oviducal
- palatial
- parental
- parfocal
- parietal
- pastoral
- pastural
- patagial
- paternal
- patronal
- pectinal
- pectoral
- pedestal
- pelagial
- pelletal
- peridial
- perigeal
- perineal
- peroneal
- personal
- pessimal
- petrosal
- phratral
- physical
- pictural
- piscinal
- plastral
- podagral
- poetical
- pollical
- poloidal
- ponderal
- postoral
- postural
- praedial
- prandial
- preaxial
- prebasal
- precaval
- prefixal
- prelegal
- premoral
- prenasal
- prenatal
- prepupal
- prerenal
- pretrial
- primatal
- primeval
- procural
- prodigal
- proemial
- prometal
- pronotal
- proposal
- prosomal
- proviral
- proximal
- pubertal
- pudendal
- pulpital
- punctual
- puparial
- pygidial
- pyrexial
- rasorial
- rational
- reburial
- rebuttal
- receival
- rectoral
- referral
- regental
- regional
- remedial
- remigial
- remittal
- reprisal
- reproval
- requital
- residual
- restoral
- revenual
- reversal
- reviewal
- rhodinal
- rhonchal
- rhythmal
- riparial
- rubrical
- rustical
- saburral
- safronal
- sagittal
- satrapal
- scenical
- sceptral
- seasonal
- sectoral
- selfheal
- semioval
- septical
- septimal
- shogunal
- shrieval
- sidereal
- silvical
- siphonal
- skeletal
- societal
- somedeal
- sonantal
- soredial
- sororial
- soterial
- spectral
- splenial
- springal
- squarial
- staminal
- statical
- sterical
- stomatal
- subaural
- subaxial
- subbasal
- subdural
- subequal
- subnasal
- subnodal
- subtidal
- subtotal
- subviral
- subvocal
- subzonal
- suffixal
- suicidal
- summital
- supernal
- supplial
- supposal
- surgical
- surmisal
- surroyal
- surveyal
- survival
- sutorial
- syncopal
- syndical
- synovial
- syzygial
- tactical
- teetotal
- tegminal
- tellural
- temporal
- tenurial
- terminal
- tesseral
- tetronal
- textural
- theatral
- thetical
- thoracal
- torminal
- toroidal
- tracheal
- tragical
- triapsal
- triaxial
- tribunal
- trifocal
- trigonal
- trilobal
- trinodal
- tripedal
- tripodal
- tritical
- trizonal
- troopial
- tropical
- troupial
- turbinal
- turrical
- tutorial
- unfeudal
- unfilial
- unformal
- ungenial
- unialgal
- uniaxial
- unisonal
- univocal
- unlethal
- unlineal
- unsocial
- upheaval
- uprootal
- ureteral
- urethral
- uropodal
- vaccinal
- variceal
- varietal
- venereal
- vertical
- vesperal
- vestural
- viatical
- vicarial
- virginal
- visceral
- visional
- vizirial
- vortical
- warragal
- warrigal
- woodmeal
- zenithal
- zodiacal
- zoogleal
- zooperal
9-letter words (605)
- abactinal
- abdominal
- ablatival
- accentual
- acquittal
- acronical
- acronycal
- acropetal
- acrosomal
- actuarial
- adenoidal
- adnominal
- adverbial
- aethereal
- agnatical
- agnominal
- agrestial
- algicidal
- alimental
- altricial
- amatorial
- ambrosial
- amyloidal
- anarchial
- ancestral
- ancipital
- anecdotal
- angelical
- anorectal
- antefixal
- antenatal
- antidotal
- antinodal
- antipapal
- antipodal
- antitypal
- antiviral
- apertural
- appraisal
- arboviral
- archducal
- archrival
- armigeral
- arsenical
- ascetical
- ascitical
- aspectual
- asphyxial
- atemporal
- auctorial
- authorial
- autosomal
- avifaunal
- azimuthal
- backpedal
- bacterial
- baptismal
- baritonal
- basifugal
- basilical
- basipetal
- betrothal
- bicameral
- bicipital
- bicoastal
- bigeminal
- bilateral
- bilingual
- biliteral
- binominal
- biosocial
- bismuthal
- blastemal
- botanical
- botulinal
- branchial
- bronchial
- bucolical
- bursarial
- cacuminal
- cadastral
- cadential
- calcaneal
- calycinal
- canonical
- cantorial
- cardiacal
- catarrhal
- cathedral
- celestial
- censorial
- centrical
- centurial
- cercarial
- chaparral
- cheloidal
- choroidal
- chronical
- circuital
- cisternal
- cladodial
- classical
- claustral
- cleithral
- cloacinal
- cloistral
- coccygeal
- cochineal
- coeternal
- coitional
- collegial
- colloidal
- colluvial
- colostral
- commensal
- committal
- commutual
- comprisal
- conferral
- conformal
- congenial
- connubial
- continual
- convivial
- coordinal
- corporeal
- coseismal
- creatural
- crinoidal
- criterial
- cryptical
- cursorial
- custodial
- cycloidal
- cynosural
- dandiacal
- decagonal
- decapodal
- decennial
- deistical
- demential
- demonical
- denominal
- diactinal
- dialectal
- diametral
- diarrheal
- dichasial
- dictional
- disabusal
- disavowal
- disbursal
- discoidal
- dismissal
- dispersal
- disproval
- dissocial
- distichal
- diuturnal
- doctorial
- doctrinal
- dominical
- dropsical
- druidical
- duumviral
- dynamical
- dyspnoeal
- ecclesial
- edificial
- editorial
- effectual
- effluvial
- ekistical
- electoral
- elegiacal
- elemental
- embryonal
- emotional
- empirical
- emptional
- enchorial
- endemical
- endosteal
- englacial
- eparchial
- ephemeral
- epicedial
- epidermal
- epifaunal
- epineural
- epiphytal
- episcopal
- episodial
- epitaxial
- equivocal
- eristical
- erosional
- erratical
- erythemal
- essential
- estuarial
- etherical
- ethmoidal
- eviternal
- exodermal
- exosporal
- extrorsal
- factional
- factoidal
- factorial
- fanatical
- fatidical
- fenestral
- feticidal
- fictional
- filicidal
- financial
- fissional
- flexional
- fluxional
- foraminal
- forbiddal
- foresteal
- forestial
- fossorial
- fractural
- fraternal
- frenzical
- funebrial
- fungoidal
- galenical
- generical
- genetical
- genitival
- genocidal
- gerundial
- glenoidal
- gnostical
- graphical
- gymnasial
- hepatical
- herbarial
- heretical
- hesternal
- hexagonal
- hodiernal
- homicidal
- homotypal
- horizonal
- hymenaeal
- hypethral
- hypnoidal
- hypogaeal
- icterical
- identical
- idiotical
- illiberal
- illogical
- impartial
- inaugural
- indexical
- ingluvial
- interdeal
- ismatical
- isochimal
- isoclinal
- isocrymal
- isodontal
- isohyetal
- isophotal
- isotheral
- junctural
- juridical
- khedivial
- kinetical
- lachrymal
- laconical
- laryngeal
- lemniscal
- levitical
- libidinal
- liposomal
- lithoidal
- lognormal
- longaeval
- lumbrical
- lunitidal
- lysosomal
- magistral
- manubrial
- mareschal
- marischal
- marmoreal
- marsupial
- martingal
- mastoidal
- matutinal
- mediaeval
- medicinal
- meningeal
- menstrual
- mentorial
- mercurial
- mesogleal
- microbial
- middorsal
- miliarial
- mimetical
- mirifical
- miticidal
- monadical
- monarchal
- monodical
- monsoonal
- mournival
- municipal
- myoneural
- myxoviral
- nachtmaal
- nectareal
- nectarial
- negroidal
- nocturnal
- nonagonal
- nonanimal
- noncasual
- noncausal
- noncoital
- nonfiscal
- nonformal
- nonlethal
- nonlineal
- nonmanual
- nonmental
- nonmortal
- nonracial
- nonsocial
- nonverbal
- nonvisual
- novennial
- numerical
- nymphical
- obconical
- obeliscal
- obsequial
- occipital
- octagonal
- octennial
- officinal
- oological
- oratorial
- organical
- orificial
- ovational
- overpedal
- oviductal
- pacifical
- pactional
- palpebral
- paludinal
- palustral
- paradisal
- paradoxal
- paralegal
- parochial
- parodical
- paroemial
- passional
- pectineal
- penumbral
- percental
- perennial
- perinatal
- perpetual
- perradial
- pertussal
- petechial
- phacoidal
- phalangal
- pharyngal
- pictorial
- piecemeal
- pigmental
- piperonal
- piratical
- placental
- plaustral
- polemical
- political
- polyaxial
- polygonal
- polytonal
- polyzonal
- popliteal
- poriferal
- portrayal
- postaxial
- postcaval
- postfixal
- postnasal
- postnatal
- posttrial
- potential
- practical
- prebendal
- precocial
- precoital
- prefacial
- prefeudal
- prelatial
- preludial
- preputial
- presidial
- preverbal
- primaeval
- primatial
- primitial
- principal
- prodromal
- prosaical
- prosodial
- protozoal
- psychical
- pterygial
- puerperal
- purpureal
- pycnidial
- pyorrheal
- pyramidal
- pyridoxal
- pyritical
- quantical
- quinoidal
- quizzical
- rachidial
- raptorial
- rearousal
- recountal
- recruital
- rectorial
- regicidal
- regiminal
- rehearsal
- relatival
- reperusal
- reprieval
- retrieval
- revictual
- rhizobial
- rhizoidal
- rhonchial
- ribosomal
- rotiferal
- rounceval
- rusticial
- sartorial
- satanical
- satirical
- satyrical
- sceptical
- sciatical
- sciential
- sclerosal
- sclerotal
- sectarial
- sectional
- sectorial
- segmental
- seignoral
- seismical
- semestral
- semifinal
- semimetal
- semirural
- semitonal
- semuncial
- seneschal
- sensorial
- serotinal
- sessional
- sigmoidal
- signorial
- sinistral
- skeptical
- soritical
- spherical
- spiritual
- sporidial
- squamosal
- stapedial
- stational
- stercoral
- steroidal
- stomachal
- stomodeal
- styptical
- subaerial
- subapical
- subastral
- subcaudal
- subcostal
- subdermal
- subdorsal
- subhedral
- sublethal
- submental
- submittal
- subneural
- subniveal
- subnormal
- subsacral
- subsocial
- subvassal
- subversal
- subvisual
- succursal
- suctional
- suctorial
- sudaminal
- superreal
- surficial
- surprisal
- sweetmeal
- symmetral
- sympodial
- symposial
- synagogal
- synclinal
- syncytial
- synedrial
- synodical
- syringeal
- technical
- tectorial
- tegmental
- tensional
- tensorial
- tentorial
- textorial
- theriacal
- thermical
- thesaural
- thyroidal
- tonsorial
- toponymal
- torsional
- trapezial
- traversal
- trichinal
- tridental
- triennial
- trifacial
- trihedral
- trinomial
- trionymal
- triradial
- triumphal
- tuitional
- typhoidal
- umbilical
- uncongeal
- uncordial
- uncynical
- undecimal
- underseal
- unethical
- unilineal
- uniserial
- universal
- unlogical
- unlyrical
- unmusical
- unnatural
- unpartial
- untypical
- uredinial
- uropygial
- vaccinial
- vasovagal
- vaticinal
- vectorial
- venatical
- venefical
- veridical
- versional
- vertebral
- vestigial
- viatorial
- vibrissal
- vicegeral
- vicennial
- viceregal
- vicesimal
- vigesimal
- vindemial
- viricidal
- virilocal
- virucidal
- vizierial
- voluminal
- wheatmeal
- whimsical
- wholemeal
- witchmeal
- xiphoidal
10-letter words (727)
- abacterial
- aboriginal
- abortional
- abranchial
- academical
- acaricidal
- accidental
- accultural
- acoustical
- acronychal
- acrostical
- acroterial
- additional
- adenoviral
- adhesional
- adjectival
- agronomial
- alchemical
- alkaloidal
- ambulacral
- ammoniacal
- anagogical
- anarchical
- anatomical
- androecial
- aneurismal
- aneurysmal
- anticlinal
- antifungal
- antimonial
- antiphonal
- antisocial
- apagogical
- aplacental
- apocryphal
- apolitical
- apophyseal
- apothecial
- approximal
- apterygial
- archetypal
- artificial
- artistical
- aspherical
- assonantal
- asterismal
- asteroidal
- atramental
- autacoidal
- autarkical
- autoptical
- balibuntal
- beatifical
- behavioral
- beneficial
- bequeathal
- bicultural
- bicyclical
- bilharzial
- bimestrial
- binational
- bioethical
- biological
- biomedical
- bionomical
- biparental
- biparietal
- botryoidal
- brachyural
- calcifugal
- campestral
- carapacial
- carnassial
- caryatidal
- catacumbal
- catamenial
- categorial
- centennial
- centesimal
- centroidal
- ceremonial
- cheliceral
- cherubical
- chimerical
- chlamydial
- circensial
- citational
- climatical
- cognominal
- collateral
- colloquial
- colorectal
- commercial
- commonweal
- conational
- conceptual
- conchoidal
- concordial
- confederal
- confrontal
- congenital
- connatural
- conoidical
- consensual
- consortial
- contactual
- contextual
- conventual
- cosmetical
- coterminal
- covenantal
- coxcomical
- creational
- credential
- crithidial
- cucurbital
- curatorial
- cyclonical
- decahedral
- decemviral
- decennoval
- decinormal
- decisional
- delusional
- demoniacal
- dendroidal
- dermatomal
- desmosomal
- despotical
- devotional
- diabetical
- diabolical
- dialogical
- diapasonal
- diaphyseal
- diaphysial
- diarrhoeal
- diathermal
- didactical
- dietetical
- dioptrical
- discoursal
- disenthral
- disinthral
- divisional
- dochmiacal
- documental
- dogmatical
- domestical
- dramatical
- duniwassal
- duodecimal
- durational
- dynastical
- ecological
- economical
- ectodermal
- ecumenical
- egoistical
- electorial
- electrical
- elliptical
- embolismal
- eminential
- emphatical
- emulsoidal
- encrinital
- encyclical
- endermical
- endocarpal
- endocrinal
- endodermal
- endorhizal
- enneagonal
- enological
- entodermal
- entophytal
- epagomenal
- epicardial
- epicentral
- epidemical
- epididymal
- epiglottal
- epineurial
- epiphyseal
- epiphysial
- episodical
- episternal
- epitaphial
- epithelial
- epithermal
- epitomical
- equational
- equatorial
- eremitical
- eruptional
- esophageal
- euphonical
- evectional
- evidential
- excisional
- exegetical
- exoterical
- exothermal
- extemporal
- extradotal
- extralegal
- extramural
- falsidical
- febrifugal
- fissipedal
- flaminical
- flectional
- foeticidal
- forinsecal
- fractional
- fragmental
- frenetical
- frictional
- functional
- fungicidal
- genitalial
- geodesical
- geodetical
- geological
- geomedical
- geoponical
- geothermal
- germicidal
- gerundival
- glochidial
- glossarial
- gnomonical
- goldenseal
- gonococcal
- gonorrheal
- gressorial
- gyrational
- harmonical
- haruspical
- haustorial
- hebdomadal
- hegemonial
- helicoidal
- hematozoal
- hemiacetal
- hemihedral
- hemipteral
- hemitropal
- heptagonal
- herbicidal
- hermetical
- hermitical
- hexactinal
- hexahedral
- hierarchal
- hieratical
- historical
- holohedral
- holophotal
- homaloidal
- homocercal
- homosocial
- homotaxial
- horizontal
- hydrocoral
- hydrosomal
- hylozoical
- hypabyssal
- hypaethral
- hypanthial
- hyperfocal
- hypodermal
- hysterical
- ideational
- idiolectal
- illusional
- immanental
- immaterial
- immemorial
- impersonal
- incidental
- incisorial
- incorporal
- individual
- industrial
- influenzal
- infusorial
- injudicial
- insectival
- instantial
- interlocal
- intermodal
- intermural
- internodal
- interposal
- interramal
- interregal
- interrenal
- intertidal
- intertrial
- intervital
- interzonal
- intestinal
- intramural
- intranasal
- intravital
- intrazonal
- involucral
- irrational
- isocheimal
- isochronal
- isoglossal
- isoglottal
- isoseismal
- isothermal
- janitorial
- jesuitical
- judgmental
- junctional
- juristical
- kilopascal
- labionasal
- lambdoidal
- larvicidal
- lavatorial
- libational
- ligamental
- liturgical
- locational
- logistical
- magnetical
- magnifical
- maieutical
- majestical
- maleficial
- managerial
- margravial
- matricidal
- matrifocal
- matrilocal
- mechanical
- megafaunal
- meiofaunal
- menarcheal
- menopausal
- mephitical
- meridional
- mesmerical
- mesodermal
- metacarpal
- metatarsal
- meteorital
- methodical
- microsomal
- microtonal
- millennial
- millesimal
- minatorial
- miracidial
- mischmetal
- mnemonical
- monactinal
- monarchial
- monastical
- monistical
- monitorial
- monoclinal
- monoclonal
- monopodial
- monopteral
- monorhinal
- monothecal
- monumental
- multiaxial
- multifocal
- multimodal
- multivocal
- mutational
- mycorhizal
- myocardial
- myological
- natalitial
- natational
- natatorial
- neandertal
- negational
- neoliberal
- neological
- neoterical
- nephridial
- neuroglial
- nicrosilal
- nidamental
- noematical
- nonaccrual
- noncapital
- noncentral
- nonethical
- nonfactual
- nonfederal
- nongenital
- noninitial
- nonlexical
- nonliteral
- nonlogical
- nonmarital
- nonmartial
- nonmedical
- nonmineral
- nonmusical
- nonnatural
- nonneutral
- nonoptimal
- nonpalatal
- nonrenewal
- nonspatial
- nonthermal
- nontrivial
- nontypical
- nosocomial
- notational
- notonectal
- nutational
- oblational
- obsidional
- occasional
- occidental
- octahedral
- oligarchal
- ommatidial
- oratorical
- orchestral
- organismal
- ornamental
- orological
- orthogonal
- otological
- outgeneral
- overbrutal
- palaestral
- panoptical
- papistical
- paradisial
- parametral
- paranoidal
- paranormal
- parapineal
- parapodial
- parastatal
- parenteral
- paroxysmal
- parricidal
- parsonical
- pathetical
- patricidal
- patrifocal
- patrilocal
- pedantical
- pedimental
- pennyroyal
- pentagonal
- perceptual
- periclinal
- peridermal
- perigonial
- perihelial
- perikaryal
- perimetral
- perineural
- periodical
- periosteal
- peripheral
- peripteral
- perisarcal
- peristomal
- peritoneal
- pesticidal
- phalangeal
- phantasmal
- pharyngeal
- phenomenal
- pheromonal
- phonetical
- photomural
- phrensical
- phthisical
- phyllodial
- pictorical
- pinacoidal
- pinakoidal
- planetical
- plasmodial
- plastidial
- podagrical
- polyclonal
- polyhedral
- polynomial
- pontifical
- poristical
- positional
- postcoital
- postfixial
- praecocial
- praetorial
- preceptial
- precordial
- preethical
- prefrontal
- pregenital
- prelatical
- prelingual
- prelogical
- premarital
- premedical
- prenuptial
- preorbital
- prepuberal
- presential
- primatical
- primordial
- principial
- prismoidal
- procambial
- procedural
- processual
- proctorial
- prolicidal
- prolifical
- pronominal
- prosodical
- prostomial
- protonemal
- prototypal
- proverbial
- provincial
- prudential
- psalterial
- puristical
- pyorrhoeal
- quadrantal
- quadrivial
- quixotical
- rabbinical
- ragmatical
- reactional
- reciprocal
- rectricial
- regimental
- relational
- retroviral
- revisional
- rhetorical
- rhomboidal
- rhythmical
- romancical
- romantical
- rotational
- rudimental
- sabbatical
- sacerdotal
- salicional
- salvifical
- sapiential
- sarcosomal
- sardonical
- scansorial
- schizoidal
- sclerotial
- scriptural
- sculptural
- seborrheal
- sedimental
- seignorial
- semantical
- semestrial
- semiannual
- semifeudal
- semiformal
- semilethal
- seminarial
- semiotical
- semipostal
- senatorial
- sentential
- septennial
- septicidal
- sepulchral
- sepultural
- sequential
- seraphical
- sermonical
- simoniacal
- simplicial
- sincipital
- sinoatrial
- sinusoidal
- solenoidal
- solstitial
- solutional
- spagyrical
- specifical
- spermatial
- sphenoidal
- spheroidal
- spondaical
- sponsional
- sponsorial
- sporadical
- sporangial
- sporicidal
- squadronal
- stomodaeal
- strabismal
- structural
- subcentral
- subcranial
- subcrustal
- subglacial
- subliminal
- sublingual
- submaximal
- subminimal
- submucosal
- subnatural
- suboptimal
- suborbital
- subordinal
- substernal
- substratal
- subtextual
- subtypical
- supervisal
- suprarenal
- supravital
- surnominal
- syllabical
- symbolical
- symphyseal
- symphysial
- synchronal
- syndetical
- synoptical
- tangential
- taxational
- taxidermal
- tectricial
- tegumental
- televisual
- tendential
- tenemental
- testudinal
- tetragonal
- tetrameral
- theatrical
- theistical
- theurgical
- thimerosal
- thiopental
- threnodial
- thyrsoidal
- tinctorial
- torrential
- tracheidal
- tractional
- transeptal
- transferal
- transposal
- treponemal
- triactinal
- triapsidal
- tricameral
- trigeminal
- trilateral
- trilingual
- triliteral
- trimestral
- triquetral
- triumviral
- trochoidal
- trophesial
- tyrannical
- ufological
- umbratical
- unbiblical
- uncerebral
- unclerical
- unconjugal
- uncritical
- unheroical
- unicameral
- unicentral
- unilateral
- unilingual
- uniliteral
- unimmortal
- unjudicial
- unmaterial
- unmaternal
- unmetrical
- unofficial
- unoriginal
- unparental
- unpastoral
- unpoetical
- unpunctual
- unseasonal
- urochordal
- urogenital
- urological
- urticarial
- uxoricidal
- uxorilocal
- venational
- venatorial
- vermicidal
- vermifugal
- vestmental
- visitorial
- vocational
- volitional
- volitorial
- withdrawal
- xenarthral
- zoological
- zoothecial
- zootomical
11-letter words (719)
- abiological
- abolitional
- accessional
- accessorial
- accusatival
- adventitial
- adversarial
- advertorial
- aerological
- aeromedical
- aeronomical
- aesthetical
- affectional
- agitational
- agonistical
- agrological
- agronomical
- ahistorical
- algebraical
- algological
- allantoidal
- allegorical
- altitudinal
- ambilateral
- amobarbital
- anaphorical
- ancestorial
- anecdotical
- anisocercal
- antenuptial
- anteorbital
- antheridial
- anthropical
- antiliberal
- antilogical
- antimusical
- antinatural
- antinomical
- antiradical
- antitumoral
- antitypical
- apartmental
- apathetical
- apicultural
- apodictical
- apomictical
- apostatical
- apostolical
- aptitudinal
- arachnoidal
- archegonial
- artefactual
- arthropodal
- artifactual
- arytenoidal
- ascensional
- assertional
- assessorial
- asthmatical
- atheistical
- attentional
- attitudinal
- attritional
- attuitional
- audiovisual
- autarchical
- authentical
- automatical
- autonomical
- avocational
- axiological
- axiomatical
- bacteroidal
- baronetical
- batological
- behavioural
- bidialectal
- biochemical
- biomaterial
- biometrical
- biophysical
- bioregional
- bipyramidal
- bisectional
- blastoporal
- bryological
- cachectical
- calendrical
- cantharidal
- caricatural
- carnificial
- carpogonial
- casuistical
- cataclysmal
- catalytical
- catechismal
- categorical
- cathartical
- catoptrical
- cenobitical
- centrifugal
- centripetal
- cetological
- chancroidal
- chemurgical
- chiragrical
- chiropodial
- chirurgical
- chromonemal
- chromosomal
- cicatricial
- citronellal
- climactical
- clostridial
- coalitional
- coessential
- cognitional
- coleopteral
- collisional
- commissural
- commotional
- componental
- condimental
- conditional
- condominial
- conflictual
- confusional
- conirostral
- conjectural
- consonantal
- conterminal
- contextural
- continental
- contractual
- contubernal
- coprincipal
- coralloidal
- cotyledonal
- counterseal
- coxcombical
- crematorial
- cruciverbal
- curvilineal
- cylindrical
- cytological
- deceptional
- decremental
- deferential
- deflexional
- demagogical
- demiurgical
- dendritical
- desinential
- detrimental
- diacritical
- dialectical
- diametrical
- diaphragmal
- dictatorial
- diffusional
- digestional
- dimensional
- dioristical
- diphtherial
- diphthongal
- diphycercal
- diplococcal
- directional
- directorial
- disapproval
- disciplinal
- dodecagonal
- doxological
- duniewassal
- dyspeptical
- eccentrical
- ectothermal
- educational
- egomaniacal
- egotistical
- ellipsoidal
- emanational
- emolumental
- endocardial
- endometrial
- endothelial
- energetical
- enigmatical
- enneahedral
- enteroviral
- epicyclical
- epileptical
- epiphytical
- epiplastral
- epistolical
- epithetical
- equilateral
- equinoctial
- erythrismal
- escritorial
- ethological
- etiological
- eurythermal
- evangelical
- evolutional
- exceptional
- excremental
- executorial
- existential
- exoskeletal
- expansional
- exponential
- extensional
- extrafloral
- extrinsical
- fantastical
- firmamental
- formational
- fratricidal
- fundamental
- gametangial
- gemological
- genotypical
- gentilitial
- geochemical
- geometrical
- geophysical
- geotactical
- gestational
- gestatorial
- gnathonical
- gonomonical
- gonorrhoeal
- gradational
- grammatical
- gustatorial
- gymnastical
- gymnorhinal
- habitudinal
- hegemonical
- hemistichal
- heptahedral
- hexadecimal
- hexastichal
- hexateuchal
- hierurgical
- hippocampal
- holocaustal
- homiletical
- homological
- homothermal
- honorifical
- horological
- hydrargyral
- hyoplastral
- hypocentral
- hypoglossal
- hypolimnial
- hypophyseal
- hypophysial
- hypothermal
- hysteresial
- hysteroidal
- ichthyoidal
- icosahedral
- ideological
- imitational
- implacental
- implemental
- impolitical
- impractical
- incorporeal
- incremental
- inductional
- ineffectual
- inessential
- inferential
- infinitival
- inflexional
- influential
- infomercial
- infracostal
- insertional
- insessorial
- inspectoral
- instinctual
- institorial
- intensional
- intentional
- interannual
- intercensal
- intercostal
- intercrural
- interdental
- interfacial
- interlineal
- interludial
- intermedial
- interneural
- internodial
- interosseal
- interracial
- interradial
- interregnal
- interseptal
- intersertal
- interspinal
- intertarsal
- intertribal
- intradermal
- intrathecal
- intrinsical
- intrusional
- intuitional
- inventional
- inventorial
- ipselateral
- ipsilateral
- isolecithal
- isometrical
- judgemental
- judgmatical
- kinematical
- labiodental
- labyrinthal
- lactational
- latirostral
- latitudinal
- leishmanial
- leptocercal
- leptospiral
- lethargical
- leucodermal
- leukodermal
- leukorrheal
- leviratical
- librational
- lineamental
- loculicidal
- lumbosacral
- lymphangial
- magisterial
- matriarchal
- matrilineal
- matrimonial
- mediastinal
- mediational
- mediatorial
- medicolegal
- meniscoidal
- mesenchymal
- mesenterial
- mesothelial
- metaethical
- metalloidal
- meteoroidal
- metonymical
- microcephal
- micrococcal
- microfaunal
- microfloral
- midlittoral
- midsagittal
- migrational
- ministerial
- misbestowal
- monarchical
- monasterial
- monochasial
- monocrystal
- monolingual
- monological
- monospermal
- moustachial
- multicausal
- multilineal
- multinomial
- multiracial
- multiserial
- multispiral
- mycological
- mycoplasmal
- mycorrhizal
- narrational
- nasofrontal
- neanderthal
- nematicidal
- nematocidal
- neocolonial
- neocortical
- nephritical
- neurilemmal
- nominatival
- nomological
- nonagesimal
- nonchemical
- nonclerical
- nonclinical
- noncriminal
- noncritical
- noncultural
- noncyclical
- nonfamilial
- nonhabitual
- nonhormonal
- nonhospital
- nonimperial
- nonintegral
- nonjudicial
- nonmaterial
- nonmaternal
- nonmetrical
- nonmystical
- nonmythical
- nonnational
- nonofficial
- nonpersonal
- nonphysical
- nonrational
- nonresidual
- nonseasonal
- nonsensical
- nonskeletal
- nonsurgical
- nontemporal
- nonterminal
- nontropical
- nosological
- notochordal
- nucleosomal
- nutrimental
- nutritional
- obediential
- obsessional
- obstetrical
- octachordal
- oecumenical
- oenological
- oesophageal
- oncological
- ontological
- operational
- oreological
- orthoepical
- orthonormal
- osteodermal
- overarousal
- overliteral
- pachydermal
- panegyrical
- pansophical
- pantropical
- parabolical
- paradisical
- paradoxical
- paraglossal
- paragogical
- paramedical
- parasitical
- parenchymal
- parheliacal
- paronychial
- participial
- patriarchal
- patrilineal
- patrimonial
- patristical
- pedagogical
- penitential
- penological
- pentactinal
- pentahedral
- pericardial
- pericarpial
- pericentral
- pericranial
- periglacial
- perineurial
- periodontal
- perispermal
- peristomial
- perithecial
- peritonaeal
- peroxisomal
- pharisaical
- phrenetical
- pietistical
- piscatorial
- planetoidal
- plasmatical
- plethorical
- pleuritical
- pluriserial
- pneumatical
- polyactinal
- polycrystal
- polyglottal
- polytypical
- polyzoarial
- pomological
- posological
- postcranial
- postglacial
- postmarital
- postnuptial
- postorbital
- praecordial
- praenominal
- pragmatical
- prebiblical
- preclinical
- precolonial
- precritical
- predisposal
- predoctoral
- prefatorial
- prefectural
- prejudicial
- premedieval
- preprandial
- prepubertal
- prepunctual
- presbyteral
- preterminal
- previsional
- primigenial
- primogenial
- prismatical
- probational
- procerebral
- proctodaeal
- proleptical
- promotional
- prophetical
- protectoral
- prothallial
- protococcal
- protodermal
- provisional
- psalmodical
- pseudopodal
- purgatorial
- puritanical
- pyramidical
- quadratical
- quadrennial
- quadrupedal
- quaestorial
- quincuncial
- quincunxial
- quotational
- radiational
- raptatorial
- reappraisal
- recessional
- recommittal
- recremental
- rectilineal
- rectiserial
- redactional
- redactorial
- reductional
- referential
- repertorial
- reportorial
- residential
- retrolental
- reverential
- reversional
- rhapsodical
- rheological
- rheumatical
- rickettsial
- rumbustical
- sacramental
- sacrificial
- sacrocostal
- saltatorial
- salvational
- sarcolemmal
- sarcophagal
- scarlatinal
- schematical
- schizopodal
- scorbutical
- scriptorial
- secessional
- secretarial
- secretional
- seigneurial
- seigniorial
- selectorial
- semidiurnal
- seminatural
- sempiternal
- sensational
- sentimental
- septentrial
- septifragal
- serological
- servitorial
- sesquipedal
- sinological
- sinupallial
- situational
- sodomitical
- sophistical
- sororicidal
- spasmatical
- spasmodical
- spermatical
- spermicidal
- sphincteral
- spinsterial
- spirochetal
- splenetical
- squirarchal
- stalactical
- stalactital
- statistical
- stigmatical
- stomachical
- strategical
- stylistical
- subarboreal
- subcardinal
- subclinical
- subcortical
- subcritical
- subcultural
- subdiaconal
- subimaginal
- subinterval
- sublittoral
- submarginal
- subnational
- subrational
- subregional
- substantial
- subterminal
- subtropical
- subvertical
- summational
- superficial
- supernormal
- supracostal
- surrebuttal
- suspicional
- sybaritical
- sylleptical
- symbiotical
- symmetrical
- synagogical
- synonymical
- syntactical
- syntectical
- synthetical
- taxonomical
- terrestrial
- territorial
- testamental
- testimonial
- tetractinal
- tetrahedral
- theogonical
- theological
- theoretical
- therewithal
- thermotical
- thersitical
- thrasonical
- threnetical
- thunderpeal
- toploftical
- topological
- toponymical
- traditional
- transdermal
- transferral
- transmittal
- transportal
- transversal
- trapezoidal
- tribunicial
- tribunitial
- trichomonal
- tricuspidal
- trierarchal
- trimestrial
- trimetrical
- tripersonal
- typological
- ultracasual
- uncanonical
- unclassical
- uncongenial
- unemotional
- unempirical
- unequivocal
- unessential
- uniparental
- unipersonal
- unpolitical
- unpractical
- unsatirical
- unspiritual
- untechnical
- valuational
- variational
- vespertinal
- vestimental
- vibrational
- virological
- vomeronasal
- wherewithal
- zoochemical
- zoophytical
- zygopleural
- zymological
12-letter words (629)
- aberrational
- accusatorial
- acroamatical
- adaptational
- adjustmental
- aeronautical
- aerostatical
- aetiological
- agrichemical
- agricultural
- agrochemical
- albuminoidal
- algometrical
- alkahestical
- allotropical
- alphabetical
- alphamerical
- altimetrical
- amygdaloidal
- anapaestical
- anchoretical
- anchoritical
- angiospermal
- annexational
- antediluvial
- anteprandial
- anthological
- anthropoidal
- anticlerical
- anticolonial
- anticultural
- antimalarial
- antinational
- antiphonical
- antirational
- antithetical
- apodeictical
- apologetical
- apoplectical
- apparitional
- appositional
- aquacultural
- aquicultural
- archesporial
- archetypical
- arithmetical
- arrhythmical
- aspirational
- astrological
- astronomical
- asymmetrical
- asymptotical
- atheological
- atheoretical
- audiological
- autochthonal
- autocratical
- bactericidal
- barometrical
- barristerial
- battological
- bibliothecal
- bicentennial
- bifunctional
- bimillennial
- biogenetical
- biographical
- biotechnical
- brachycephal
- cabalistical
- cacophonical
- cancellarial
- canonistical
- cartological
- cataphysical
- catechetical
- centroclinal
- chorological
- circumboreal
- coenobitical
- coincidental
- commentarial
- commissarial
- commissional
- complemental
- complexional
- complimental
- componential
- concentrical
- conceptional
- concessional
- conductorial
- conferential
- confessional
- confidential
- congenerical
- conjunctival
- connectional
- consistorial
- contortional
- contractural
- contrapuntal
- contubernyal
- convectional
- conventional
- conversional
- convictional
- convulsional
- corotational
- correctional
- cosmogonical
- cosmological
- cotangential
- craniofacial
- craniosacral
- cryosurgical
- cryptococcal
- cunnilingual
- curvirostral
- cybernetical
- cytochemical
- cytoskeletal
- declensional
- dedicational
- dedicatorial
- definitional
- deflectional
- democratical
- dentilingual
- dentirostral
- departmental
- depositional
- derivational
- descensional
- diagnostical
- diapophysial
- diarthrodial
- differential
- difunctional
- digressional
- dilatational
- dimunitional
- diplomatical
- discretional
- discussional
- distortional
- ditheistical
- ditheletical
- divinatorial
- dodecahedral
- donatistical
- dorsiventral
- dorsolateral
- dorsoventral
- dunniewassal
- duodecennial
- echinodermal
- emblematical
- emigrational
- enarthrodial
- endochondral
- endoskeletal
- endotracheal
- enharmonical
- enterococcal
- enterostomal
- entoplastral
- epexegetical
- epicycloidal
- epideictical
- epigraphical
- ethnological
- etymological
- eulogistical
- euphuistical
- eurhythmical
- euroterminal
- excavational
- exorcistical
- exospherical
- expediential
- experiential
- experimental
- expositional
- expressional
- extracranial
- extralimital
- extralogical
- extramarital
- extramusical
- extratextual
- fissilingual
- fissirostral
- foundational
- gasometrical
- geanticlinal
- gemmological
- genealogical
- generational
- genethliacal
- geobotanical
- geocentrical
- geodynamical
- geognostical
- geographical
- geopolitical
- geosynclinal
- geotechnical
- gladiatorial
- governmental
- grallatorial
- habitational
- hagiological
- helicultural
- hemorrhoidal
- hendecagonal
- heroicomical
- heterocercal
- hexametrical
- hexobarbital
- hierarchical
- hierological
- histological
- histrionical
- homeothermal
- homolecithal
- horometrical
- hydrological
- hydrothermal
- hymnological
- hyperarousal
- hyperbolical
- hypersensual
- hyperspatial
- hyperthermal
- hypertypical
- hypocritical
- hypostatical
- hypothetical
- ichnological
- iconological
- imbibitional
- immethodical
- impedimental
- imperatorial
- impressional
- inartificial
- incubational
- indicational
- infanticidal
- inflectional
- infraorbital
- inhalational
- inharmonical
- innovational
- insecticidal
- inspectional
- inspectorial
- instrumental
- intellectual
- intercoastal
- interdigital
- interfemoral
- interfluvial
- interfrontal
- interglacial
- interlingual
- internuncial
- interorbital
- interpleural
- interpluvial
- interspatial
- interspersal
- interstadial
- interstitial
- intertextual
- intonational
- intracardial
- intracranial
- intralingual
- invitational
- invocational
- involutional
- irreciprocal
- irrigational
- irrotational
- isobilateral
- isocheimenal
- karyological
- karyotypical
- levitational
- liberticidal
- ligulifloral
- limitational
- limnological
- linguistical
- lithological
- lithotomical
- longitudinal
- loxodromical
- mammalogical
- managemental
- manometrical
- manufactural
- marcasitical
- maricultural
- mathematical
- maturational
- medicamental
- meditational
- metaleptical
- metaphorical
- metaphysical
- metathetical
- metempirical
- meteoritical
- metoscopical
- metrological
- metronomical
- microcrystal
- micrological
- microtomical
- misappraisal
- mobocratical
- monocultural
- monomaniacal
- monsignorial
- motivational
- motoneuronal
- multicentral
- multicipital
- multilateral
- multilingual
- multinominal
- museological
- myographical
- mystagogical
- mythological
- nasolacrymal
- navigational
- necrological
- neoclassical
- nephological
- nepotistical
- neurohumoral
- neurological
- nomothetical
- nonbacterial
- noncanonical
- nonclassical
- noncommittal
- noncustodial
- noneditorial
- nonemotional
- nonempirical
- nonessential
- nonfictional
- nonfinancial
- nonidentical
- nonmedicinal
- nonmercurial
- nonmicrobial
- nonmunicipal
- nonnumerical
- nonparochial
- nonpolitical
- nonpractical
- nonsectional
- nonspherical
- nonspiritual
- nonsteroidal
- nontechnical
- nonuniversal
- nostological
- nychthemeral
- obligational
- occupational
- odontophoral
- oligarchical
- ophiological
- oppositional
- optometrical
- orographical
- orthopedical
- osteological
- overcritical
- paedological
- palaestrical
- pantomimical
- paraboloidal
- paradisaical
- paradisiacal
- paraenetical
- parametrical
- paratactical
- paroccipital
- pataphysical
- pathological
- pentarchical
- pentateuchal
- perceptional
- percussional
- perichaetial
- perichondral
- perimetrical
- peripherical
- perorational
- perspectival
- pestilential
- pestological
- petrological
- phagocytical
- phantasmical
- phellodermal
- phenological
- phenotypical
- philological
- phlegmatical
- phonological
- phonotypical
- phycological
- phytological
- planetesimal
- platitudinal
- pleonastical
- pluriliteral
- pneumococcal
- populational
- porismatical
- possessional
- postbiblical
- postcolonial
- postdiluvial
- postdoctoral
- posthospital
- postimperial
- postmedieval
- postneonatal
- postprandial
- postsurgical
- postvaccinal
- precautional
- precedential
- precentorial
- preceptorial
- precessional
- preclassical
- prefectorial
- preferential
- prehensorial
- preinaugural
- premenstrual
- prerehearsal
- presbyterial
- presidential
- primogenital
- prismatoidal
- procathedral
- processional
- productional
- professional
- professorial
- projectional
- proportional
- prosectorial
- proselytical
- prosopopeial
- protectorial
- protonematal
- protoplasmal
- prototypical
- protreptical
- providential
- pseudopodial
- psychosocial
- pugilistical
- pyritohedral
- pyrochemical
- pyromaniacal
- pyrometrical
- quadriennial
- quadrinomial
- quaquaversal
- quarterfinal
- quasicrystal
- quinquennial
- radiological
- recreational
- rectirostral
- redemptional
- reflectional
- refractional
- repetitional
- reputational
- responsorial
- retinotectal
- revelational
- revolutional
- rheometrical
- rheumatismal
- rheumatoidal
- rhinocerical
- rhinological
- rhinorrhoeal
- rhombohedral
- rhopaloceral
- saccharoidal
- salutational
- scatological
- schismatical
- schistosomal
- scholastical
- scientifical
- secobarbital
- semiarboreal
- semicolonial
- semimystical
- semiofficial
- semiological
- semitropical
- septilateral
- sericultural
- seriocomical
- sinistrorsal
- sociological
- solecistical
- sophomorical
- speciational
- spectatorial
- spermathecal
- spermatozoal
- sphincterial
- squirearchal
- stenothermal
- sternocostal
- strabismical
- subabdominal
- subcelestial
- subeditorial
- subepidermal
- subfactorial
- suboccipital
- subprincipal
- substantival
- subvertebral
- successional
- superfrontal
- superglacial
- superhelical
- superhumeral
- superluminal
- supernatural
- superordinal
- supersensual
- superspecial
- supplemental
- supracrustal
- supraliminal
- supraorbital
- suspensorial
- symbological
- synaptosomal
- synchronical
- systematical
- talismanical
- taphonomical
- tautological
- teleological
- telescopical
- telesmatical
- televisional
- telolecithal
- tenuirostral
- tetrachordal
- tetrarchical
- tetrastichal
- theocratical
- theosophical
- timocratical
- tragicomical
- transitional
- transnatural
- tribological
- trichogynial
- triglyphical
- triphthongal
- trochanteral
- tropological
- trypanocidal
- trypanosomal
- tubulifloral
- tyrannicidal
- ultraliberal
- ultraradical
- ultrasensual
- unartificial
- unbeneficial
- uncommercial
- unecological
- uneconomical
- unhistorical
- unhysterical
- unifactorial
- unmechanical
- unmethodical
- unornamental
- unprelatical
- unprocedural
- unrhetorical
- unrhythmical
- unromantical
- unscriptural
- urinogenital
- vegetational
- venerational
- ventriloqual
- ventrodorsal
- ventromedial
- vinicultural
- visitational
- visitatorial
- visuospatial
- viticultural
- vocicultural
- volitational
- volumetrical
- xiphisternal
- zoographical
- zootechnical
13-letter words (524)
- abiogenetical
- abstractional
- acquisitional
- actinomycetal
- aerodynamical
- aggradational
- aggregational
- alchemistical
- ambassadorial
- amphitheatral
- anathematical
- anemometrical
- anomalistical
- antibacterial
- anticlassical
- antidiarrheal
- antimicrobial
- antipolitical
- aphrodisiacal
- apocalyptical
- appellational
- araeometrical
- arbitrational
- archeological
- archidiaconal
- architectural
- associational
- astacological
- astronautical
- astrophysical
- atmospherical
- attributional
- autecological
- balneological
- bathymetrical
- benedictional
- beneficential
- bibliological
- bibliopolical
- biconditional
- bidirectional
- bioelectrical
- biomechanical
- cabbalistical
- cacographical
- calculational
- calisthenical
- cardinalatial
- cardinalitial
- cardiological
- catechistical
- cerebrospinal
- cerographical
- charlatanical
- chemosurgical
- chloroplastal
- chorepiscopal
- chronological
- climacterical
- clinodiagonal
- clinometrical
- codicological
- coeducational
- cohomological
- collocational
- colposcopical
- combinational
- combinatorial
- compartmental
- compositional
- compositorial
- compressional
- comprovincial
- computational
- conchological
- congressional
- conjugational
- conjunctional
- connotational
- consequential
- contractional
- contralateral
- controversial
- convocational
- convolutional
- coreferential
- coresidential
- corollifloral
- correlational
- corticospinal
- cosmeceutical
- cosmochemical
- cosmothetical
- craniological
- crinicultural
- cryptological
- crystalloidal
- cytogenetical
- declinational
- deformational
- demographical
- demonological
- dendrological
- deontological
- destructional
- determinantal
- developmental
- dialogistical
- diotheletical
- dipsomaniacal
- disfunctional
- dispositional
- dissepimental
- dolichocephal
- dramaturgical
- dyotheletical
- dyothelitical
- dysfunctional
- dysmenorrheal
- econometrical
- ectocommensal
- electrodermal
- embryological
- encomiastical
- entomological
- environmental
- epiphenomenal
- equipotential
- eucharistical
- eudiometrical
- euphemistical
- examinational
- examinatorial
- exclamational
- excrescential
- exobiological
- expectational
- explorational
- expurgatorial
- exterritorial
- extrajudicial
- extrametrical
- extratropical
- floricultural
- fluctuational
- foraminiferal
- futurological
- gastrological
- gastronomical
- glaciological
- glossological
- goniometrical
- grandparental
- graphological
- gravimetrical
- gravitational
- gubernatorial
- gynecological
- haemorrhoidal
- heliometrical
- heliotropical
- helispherical
- hematological
- hemispherical
- heortological
- heptametrical
- hermeneutical
- heterothermal
- heterotypical
- hierocratical
- histochemical
- holographical
- homoeothermal
- homogenetical
- homoiothermal
- horticultural
- hydrometrical
- hydropathical
- hydroscopical
- hydrostatical
- hygrometrical
- hygroscopical
- hyperboloidal
- hypercritical
- hypermetrical
- hyperphysical
- hyperpyrexial
- hyperrational
- hypocycloidal
- hypsometrical
- iatrochemical
- ichthyofaunal
- ideographical
- imaginational
- immigrational
- immunological
- implicational
- incantational
- inclinational
- infinitesimal
- informational
- innervational
- inquisitional
- inquisitorial
- inscriptional
- inspirational
- institutional
- instructional
- insubstantial
- interactional
- intercolonial
- intercommunal
- intercortical
- intercultural
- interfamilial
- interjectural
- intermarginal
- international
- interneuronal
- interparietal
- interpersonal
- interproximal
- interregional
- intersidereal
- intersocietal
- interterminal
- intertropical
- intracerebral
- intranational
- intraparietal
- intrapersonal
- irreverential
- isogeothermal
- labyrinthical
- lackadaisical
- legislatorial
- lexicological
- lexigraphical
- logarithmical
- logographical
- lubricational
- macrodiagonal
- macroscopical
- magistratical
- malacological
- maxillofacial
- meningococcal
- metacercarial
- metafictional
- metallurgical
- metapsychical
- microchemical
- microcosmical
- microcultural
- microfilarial
- micrometrical
- microphysical
- microscopical
- microsurgical
- mineralogical
- mitochondrial
- molluscicidal
- monographical
- monophthongal
- morphological
- multicultural
- multihospital
- multinational
- multiregional
- multispectral
- multiterminal
- musicological
- mycobacterial
- myoelectrical
- mythopoetical
- necromantical
- necroscopical
- nematological
- neologistical
- nephrological
- neurochemical
- neurohormonal
- neuropathical
- neurosurgical
- nomenclatural
- nomographical
- nonbehavioral
- nonbiological
- noncommercial
- nonconceptual
- nonconsensual
- nonelectrical
- nonfunctional
- nongonococcal
- nonhistorical
- nonhysterical
- nonindividual
- nonindustrial
- nonjudgmental
- nonliturgical
- nonmanagerial
- nonmechanical
- nonreciprocal
- nonsequential
- nonstructural
- nontheatrical
- nonvocational
- nosographical
- numerological
- observational
- obstructional
- oceanological
- ochlocratical
- odontological
- oreographical
- organological
- orientational
- orismological
- oropharyngeal
- orthodiagonal
- orthopaedical
- oscillational
- overemotional
- ovipositional
- palindromical
- palynological
- pandemoniacal
- pantheistical
- papyrological
- paragraphical
- parallactical
- parapophysial
- parapsychical
- parasiticidal
- parenthetical
- pasigraphical
- penthemimeral
- pentobarbital
- perichondrial
- periodontical
- peripatetical
- permutational
- persecutional
- pessimistical
- petrochemical
- petrophysical
- pharmacopeial
- phenobarbital
- philomathical
- philosophical
- photochemical
- photometrical
- phrenological
- phylacterical
- physiological
- phytochemical
- piezometrical
- piscicultural
- planimetrical
- polyribosomal
- polytechnical
- postclassical
- postembryonal
- postinaugural
- postmenstrual
- postulational
- potamological
- praxeological
- prebiological
- predicamental
- predicational
- prehistorical
- preindustrial
- premenopausal
- premillennial
- prepositional
- preternatural
- prevocational
- problematical
- procreational
- proctological
- procuratorial
- progenitorial
- progressional
- propagational
- propositional
- propraetorial
- proprietorial
- prosecutorial
- prosopopoeial
- protonotarial
- psephological
- psychiatrical
- psychological
- pyrotechnical
- quadragesimal
- quadricipital
- quadrigeminal
- quadrilateral
- quadrilingual
- quadriliteral
- quindecennial
- quodlibetical
- radiochemical
- radioscopical
- rarefactional
- reformational
- respirational
- segregational
- seismological
- selenological
- semiclassical
- semiempirical
- semimenstrual
- semiochemical
- semipolitical
- sensorineural
- septentrional
- silvicultural
- sociocultural
- somatological
- somatopleural
- spadicifloral
- speleological
- spermatocidal
- squirarchical
- stalactitical
- stalagmitical
- stereological
- stereotypical
- streptococcal
- subdivisional
- subequatorial
- subperiosteal
- subsequential
- subsistential
- substructural
- subternatural
- supercolossal
- supercriminal
- supercritical
- supernational
- superpersonal
- superphysical
- superregional
- suppositional
- supranational
- suprarational
- supratemporal
- sycophantical
- syllogistical
- sylvicultural
- symbolistical
- sympathetical
- symptomatical
- synarthrodial
- synecdochical
- synecological
- tachometrical
- tachymetrical
- tautometrical
- tautophonical
- technological
- temperamental
- teratological
- tercentennial
- terminational
- terpsichoreal
- tetartohedral
- thalamifloral
- theorematical
- therapeutical
- topographical
- toxicological
- transactional
- transcultural
- transfusional
- translational
- translatorial
- transnational
- transpersonal
- transurethral
- trapezohedral
- tricentennial
- trichological
- trichomonadal
- trisyllabical
- tritheistical
- troglodytical
- typographical
- ultracritical
- ultranational
- ultraphysical
- ultrarational
- unapostolical
- unconditional
- undialectical
- unevangelical
- unexceptional
- ungrammatical
- unideological
- uninfluential
- unintentional
- unministerial
- unprophetical
- unsensational
- unsentimental
- unsubstantial
- unsymmetrical
- unterrestrial
- untheological
- untheoretical
- untraditional
- venographical
- ventriloquial
- ventrolateral
- viscometrical
- vivisectional
- xiphiplastral
- xylographical
- zoosporangial
- zygapophyseal
- zygapophysial
- zymotechnical
14-letter words (319)
- acoustooptical
- adrenocortical
- aerobiological
- aeromechanical
- agrobiological
- agroindustrial
- agrostological
- alphanumerical
- amphibological
- anagrammatical
- anticommercial
- antihistorical
- antipathetical
- antiphrastical
- antiscriptural
- apothegmatical
- arachnological
- arboricultural
- archaeological
- archiepiscopal
- aristocratical
- axisymmetrical
- bathygraphical
- belletristical
- bibliomaniacal
- biogeochemical
- biostatistical
- brachydiagonal
- calligraphical
- campanological
- carcinological
- cartographical
- catachrestical
- catadioptrical
- catechumenical
- centrolecithal
- chacographical
- chirographical
- chorographical
- chronometrical
- circumlittoral
- circumstantial
- civilizational
- climatological
- cohabitational
- commentatorial
- commonsensical
- compensational
- compurgatorial
- condensational
- confirmational
- conformational
- congregational
- conscriptional
- conservational
- conservatorial
- consociational
- conspirational
- conspiratorial
- constitutional
- constructional
- consubstantial
- contracyclical
- conversational
- cosmographical
- cosmopolitical
- counterfactual
- craniocerebral
- craniometrical
- criminological
- cryobiological
- denominational
- dermatological
- diagrammatical
- disceptatorial
- discographical
- dispensational
- disquisitional
- dissertational
- dissymmetrical
- distributional
- dynamometrical
- dysmenorrhoeal
- ecclesiastical
- electrothermal
- empyreumatical
- encyclopedical
- enteropneustal
- enthusiastical
- enthymematical
- epicontinental
- epigrammatical
- eschatological
- ethnobotanical
- ethnographical
- eugeosynclinal
- excrementitial
- extracanonical
- extracorporeal
- extrapyramidal
- fluorochemical
- gastroduodenal
- geostrategical
- gerontological
- gynaecological
- haematological
- hagiographical
- heliocentrical
- heliographical
- hemispheroidal
- hephthemimeral
- herpetological
- heterolecithal
- hieroglyphical
- hierographical
- hydrocolloidal
- hydrodynamical
- hydrographical
- hydrokinetical
- hyetographical
- hygrographical
- hyperemotional
- hypertrophical
- hypocoristical
- hypsographical
- ichnographical
- ichthyological
- iconographical
- illustrational
- immunochemical
- infopreneurial
- insurrectional
- intelligential
- intercessional
- intercessorial
- interdialectal
- interferential
- interjectional
- intermenstrual
- interparochial
- intersectional
- intersegmental
- intersessional
- interventional
- intervertebral
- intramercurial
- isodiametrical
- jurisdictional
- kleptomaniacal
- lamellirostral
- laryngological
- lichenological
- lithographical
- martyrological
- megalomaniacal
- metaphrastical
- meteorological
- methodological
- metropolitical
- microseismical
- microspherical
- misanthropical
- misogynistical
- monotheistical
- monotheletical
- multidialectal
- multifactorial
- multipotential
- myrmecological
- narratological
- nasopharyngeal
- nomenclatorial
- nonchromosomal
- noncontractual
- nondimensional
- nondirectional
- noneducational
- nonexistential
- nonfundamental
- nongeometrical
- nongrammatical
- nonideological
- nonmatrimonial
- nonoperational
- nonprejudicial
- nonresidential
- nonsensational
- nonstatistical
- nonsymmetrical
- nonterrestrial
- nonterritorial
- nontheological
- nontheoretical
- nontraditional
- nymphomaniacal
- oneirocritical
- opisthoglossal
- organisational
- organizational
- ornithological
- orthographical
- paleobotanical
- paleographical
- palingenetical
- pantographical
- paradigmatical
- paraphrastical
- paronomastical
- periphrastical
- perturbational
- petrographical
- pharmaceutical
- pharmacopoeial
- photographical
- phraseological
- phyllotactical
- physiognomical
- phytogenetical
- planetological
- planispherical
- plenipotential
- pluviometrical
- poikilothermal
- polysyllabical
- polytheistical
- posterolateral
- postindustrial
- postmenopausal
- postmillennial
- postpositional
- preconsonantal
- preoperational
- presentational
- presentimental
- primatological
- progestational
- propaedeutical
- prothonotarial
- psychochemical
- psychometrical
- psychophysical
- psychosurgical
- pteridological
- quincentennial
- quinquagesimal
- quintessential
- recrementitial
- recurvirostral
- reflexological
- reminiscential
- resurrectional
- sacrococcygeal
- scenographical
- seismometrical
- semasiological
- semicentennial
- semicommercial
- semielliptical
- semifunctional
- serratirostral
- sociopolitical
- soteriological
- sovietological
- spatiotemporal
- spectrological
- spelaeological
- spermatogonial
- spermatophoral
- sphaerocrystal
- squirearchical
- staphylococcal
- stenographical
- stereochemical
- stereometrical
- stereotactical
- stethoscopical
- stichometrical
- stomatological
- stroboscopical
- subarachnoidal
- subcontinental
- substitutional
- subterrestrial
- supercelestial
- superessential
- suprasegmental
- synechdochical
- tacheometrical
- tachygraphical
- televangelical
- terminological
- thanatological
- thaumaturgical
- thermochemical
- thermometrical
- transcendental
- transductional
- transferential
- transmissional
- transplacental
- triconsonantal
- tridimensional
- trisoctahedral
- ultrapractical
- unconventional
- unidimensional
- unidirectional
- unintellectual
- unmathematical
- unmetaphorical
- unmetaphysical
- unprofessional
- unsystematical
- uranographical
- venereological
- vexillological
- volcanological
- vulcanological
- zincographical
15-letter words (199)
- accommodational
- acculturational
- amphitheatrical
- anthropological
- anticlimactical
- antieducational
- antimonarchical
- antisentimental
- antitheoretical
- antitraditional
- astrobiological
- bacteriological
- bibliographical
- biogeographical
- biomathematical
- bronchoscopical
- chiroromantical
- chrestomathical
- circumferential
- commemorational
- communicational
- configurational
- confrontational
- constellational
- corynebacterial
- countercultural
- countercyclical
- counterproposal
- cryptographical
- demonstrational
- dialectological
- disproportional
- documentational
- dysteleological
- ebullioscopical
- ecclesiological
- electrochemical
- electrometrical
- electrosurgical
- enterobacterial
- entrepreneurial
- epidemiological
- epistemological
- ethnohistorical
- fertilizational
- galvanometrical
- glossographical
- glyptographical
- gnotobiological
- grammatological
- hallucinational
- hepaticological
- hydrobiological
- hydrogeological
- hydromechanical
- hyperfunctional
- hypermetropical
- hypochondriacal
- improvisational
- improvisatorial
- inconsequential
- infrastructural
- interambulacral
- interbehavioral
- interdivisional
- interindividual
- interparoxysmal
- interperceptual
- interphalangeal
- interprovincial
- interrogational
- intraperitoneal
- intrapreneurial
- introspectional
- investigational
- isoperimetrical
- jurisprudential
- juxtapositional
- laryngoscopical
- lexicographical
- macrostructural
- materialistical
- mechanochemical
- microanatomical
- microbiological
- microstructural
- miscegenational
- monosymmetrical
- multidivisional
- multifunctional
- multimillennial
- musculoskeletal
- neuroanatomical
- neurobiological
- nonagricultural
- nonastronomical
- nonbiographical
- nonconfidential
- nonconventional
- nondepartmental
- nonexperimental
- nongovernmental
- nonhierarchical
- noninflectional
- noninsecticidal
- noninstrumental
- nonintellectual
- nonmathematical
- nonmetaphorical
- nonoccupational
- nonpreferential
- nonprofessional
- nonprofessorial
- nonproportional
- oceanographical
- omnidirectional
- orchestrational
- organomercurial
- oversentimental
- palaeobotanical
- palaeographical
- paleobiological
- paleoecological
- paleontological
- paleozoological
- pantisocratical
- parasitological
- participational
- phantasmagorial
- pharmacological
- philanthropical
- photobiological
- photoelectrical
- photogeological
- photomechanical
- physicochemical
- physiographical
- piezoelectrical
- pneumatological
- polysynthetical
- postconsonantal
- preagricultural
- prepresidential
- preprofessional
- pronunciational
- protozoological
- pseudepigraphal
- psychogenetical
- psychographical
- psychrometrical
- pteryographical
- radiobiological
- recombinational
- retrogressional
- retroperitoneal
- rheumatological
- saprobiological
- seismographical
- selenographical
- semicylindrical
- semiterrestrial
- servomechanical
- sinistrodextral
- sociobiological
- sociohistorical
- spectrochemical
- spectroscopical
- stereographical
- stoechiological
- stoichiological
- stratigraphical
- subprofessional
- superadditional
- superindividual
- superstructural
- symptomological
- synchronistical
- tarsometatarsal
- tetrasyllabical
- theosophistical
- thermodynamical
- transcriptional
- transgressional
- transhistorical
- transmutational
- transpirational
- transpositional
- transubstantial
- traumatological
- trichomonacidal
- trigonometrical
- ultracommercial
- ultrastructural
- unchronological
- uncontroversial
- unphilosophical
- viscosimetrical
- zoogeographical
- zoophytological
16-letter words (112)
- adenohypophyseal
- adenohypophysial
- anthropometrical
- anthroposophical
- anticonventional
- antihierarchical
- antimetaphysical
- apophthegmatical
- autobiographical
- bioastronautical
- biopsychological
- biotechnological
- characteristical
- chordamesodermal
- chronobiological
- circumlocutional
- classificational
- climatographical
- cryptozoological
- deuterocanonical
- discriminational
- dynamoelectrical
- ecophysiological
- enantiodromiacal
- endocrinological
- epizootiological
- extrachromosomal
- extraterrestrial
- extraterritorial
- gastroesophageal
- gastrointestinal
- genethlialogical
- geochronological
- geomorphological
- geotechnological
- glossopharyngeal
- helminthological
- hermaphroditical
- hierogrammatical
- interchromosomal
- intercontinental
- intergradational
- interministerial
- interpretational
- interterritorial
- intertestamental
- intraterritorial
- metamathematical
- multidimensional
- multidirectional
- multiplicational
- neurohypophyseal
- neurohypophysial
- nonchronological
- noncontroversial
- nondisjunctional
- nongravitational
- noninstitutional
- noninstructional
- nonphilosophical
- nonphysiological
- nonpsychological
- oligodendroglial
- ophthalmological
- palaeobiological
- palaeoecological
- palaeontological
- palaeozoological
- paleethnological
- paraprofessional
- phantasmagorical
- phenomenological
- philosophistical
- postdepositional
- postexperimental
- postpresidential
- predispositional
- presuppositional
- pretechnological
- prosopographical
- psychoacoustical
- psychobiological
- psychohistorical
- quadricentennial
- quantificational
- reconstructional
- redistributional
- reorganizational
- representational
- roentgenological
- sedimentological
- semigovernmental
- semiprofessional
- sesquicentennial
- spectrographical
- spectrosocopical
- stoicheiological
- stratificational
- submitochondrial
- supersubstantial
- supersymmetrical
- superterrestrial
- thermoelectrical
- tracheobronchial
- transcontinental
- transformational
- transmigrational
- transportational
- ultracentrifugal
- ultraparadoxical
- unconstitutional
- undenominational
17-letter words (42)
- antitechnological
- bathyorographical
- biometeorological
- characterological
- cinematographical
- circumterrestrial
- countercommercial
- electromechanical
- histopathological
- historiographical
- hyperintellectual
- interdepartmental
- intergenerational
- intergovernmental
- interpopulational
- interprofessional
- metapsychological
- multigenerational
- neuropathological
- neuroradiological
- nonconstitutional
- nondenominational
- nonecclesiastical
- ophthalmoscopical
- otolaryngological
- paleogeographical
- paleontographical
- paleopathological
- parapsychological
- pharmacognostical
- phytogeographical
- phytopathological
- phytosociological
- posttranslational
- pseudepigraphical
- pyrometallurgical
- schizophrenetical
- superintellectual
- symptomatological
- tracheoesophageal
- transgenerational
- ultraprofessional
18-letter words (30)
- biobibliographical
- biostratigraphical
- countereducational
- crystallographical
- ethnomusicological
- histophysiological
- hydrometallurgical
- immunocytochemical
- immunopathological
- interinstitutional
- lepidopterological
- microenvironmental
- micromorphological
- neurophysiological
- neuropsychological
- nonanthropological
- nonconfrontational
- palaeoethnological
- palaeogeographical
- palaeolimnological
- palaeontographical
- palaeopathological
- parallelogrammical
- pathophysiological
- phototypographical
- physiopathological
- psychobiographical
- psychopathological
- sociopsychological
- ultramicroscopical
19-letter words (19)
- archaeoastronomical
- clinicopathological
- dendrochronological
- gastroenterological
- glottochronological
- hydrometeorological
- immunohematological
- immunohistochemical
- interdenominational
- interjurisdictional
- interorganizational
- micrometeorological
- nonrepresentational
- palaeichthyological
- palaeoenvironmental
- posttranscriptional
- psychophysiological
- radiopharmaceutical
- reticuloendothelial