List all words ending with erns, sorted by length

• derns
• ferns
• herns
• kerns
• perns
• terns

• querns
• sterns

• caserns
• caverns
• decerns
• externs
• governs
• interns
• lucerns
• luzerns
• moderns
• secerns
• taverns
• underns
• wiverns
• wyverns

• bitterns
• cisterns
• citherns
• citterns
• concerns
• discerns
• gitterns
• klaverns
• lamperns
• lanterns
• lecterns
• letterns
• lutherns
• pasterns
• patterns
• posterns
• salferns
• salterns
• testerns
• westerns
• zitherns

• flitterns
• northerns
• quarterns
• slatterns
• southerns

• misgoverns
• nebenkerns
• repatterns
• subalterns
• unconcerns

• antimoderns
• nonconcerns
• overgoverns

• morgensterns
• overconcerns
• superalterns