| inability(noun, ability, weakness, skill, lack) |
| ineptitude(noun, weakness, skill, failure, lack) |
| incapacity(noun, ability, weakness, skill, failure) |
| inadequacy(noun, weakness, skill, failure, lack) |
| incapability(noun, ability, weakness, skill, failure) |
| inefficiency(noun, weakness, skill, failure, lack) |
| ineptness(noun, weakness, skill, failure, rudeness) |
| inexperience(noun, lack, stupidity, ignorance, inadequacy) |
| ignorance(noun, rudeness, indiscretion, thoughtlessness, vulgarity) |
| amateurishness(noun, rudeness, indiscretion, thoughtlessness, vulgarity) |
| awkwardness(noun, insensitivity, exclusion, elimination, innocence) |
| inadequateness(noun, defect, deficiency, shortage, inability) |
| ineffectiveness(noun, weakness, skill, failure, lack) |
| clumsiness(noun, rudeness, indiscretion, thoughtlessness, awkwardness) |
| maladroitness(noun, rudeness, indiscretion, thoughtlessness, vulgarity) |
| inefficacy(noun, weakness, skill, failure, lack) |
| ineffectuality(noun, weakness, hopelessness, inability, helplessness) |
| ineffectualness(noun, weakness, skill, failure, lack) |
| crudeness(noun, rudeness, indiscretion, thoughtlessness, vulgarity) |
| rudeness(noun, indiscretion, thoughtlessness, vulgarity, coarseness) |