Words formed when one letter is changed in defect
Letter 1 (D) changed: 1 word found:
No words found when changing letter 2 (E).
Letter 3 (F) changed: 2 word found:
No words found when changing letter 4 (E).
Letter 5 (C) changed: 1 word found:
No words found when changing letter 6 (T).
A total of 4 words can be formed from defect by changing one letter.