| incompetence(noun, weakness, skill, failure, lack) |
| insufficiency(noun, pass, difficulty, distress, weakness) |
| deficiency(noun, trouble, decline, ruin, defeat) |
| inadequateness(noun, defect, imperfection, shortage, inability) |
| ineptitude(noun, weakness, skill, failure, lack) |
| inability(noun, weakness, skill, lack, injury) |
| incapability(noun, state, strong, weakness, condition) |
| incapacity(noun, weakness, skill, failure, lack) |
| inefficiency(noun, weakness, skill, failure, lack) |
| lack(noun, trouble, pass, difficulty, distress) |
| ineffectiveness(noun, state, strong, weakness, condition) |
| inefficacy(noun, state, strong, weakness, condition) |
| shortage(noun, pass, difficulty, distress, weakness) |
| ineffectualness(noun, state, strong, weakness, condition) |
| ineptness(noun, weakness, skill, failure, stupidity) |
| flaw(noun, trouble, difficulty, weakness, bar) |
| ineffectuality(noun, state, strong, weakness, condition) |
| amateurishness(noun, stupidity, ignorance, inability, innocence) |
| dearth(noun, pass, difficulty, distress, weakness) |
| defect(noun, trouble, difficulty, weakness, bar) |