| incompetence(noun, weakness, skill, failure, shortcoming) |
| ineptitude(noun, weakness, skill, failure, shortcoming) |
| inability(noun, weakness, skill, failure, lack) |
| inadequacy(noun, weakness, skill, failure, hopelessness) |
| incapability(noun, weakness, skill, failure, shortcoming) |
| incapacity(noun, weakness, skill, failure, shortcoming) |
| inefficiency(noun, weakness, skill, failure, shortcoming) |
| unfitness(noun, weakness, skill, failure, disagreement) |
| incompetency(noun, weakness, failure, hopelessness, inability) |
| disability(noun, impotence) |
| impropriety(noun, disagreement) |
| incongruity |
| ineptness(noun, weakness, skill, failure, shortcoming) |
| impotence(noun, weakness, skill, failure, shortcoming) |
| inaptness |
| unskillfulness(noun, inutility, unskillfulness) |
| uselessness(noun, weakness, hopelessness, inability, helplessness) |
| awkwardness(noun, unskillfulness) |
| disqualification(noun, weakness, skill, failure, shortcoming) |
| futility |