| incompetence(noun, ability, weakness, skill, failure) |
| inability(noun, ability, weakness, skill, lack) |
| inadequacy(noun, weakness, skill, failure, lack) |
| incapability(noun, ability, weakness, skill, failure) |
| ineptitude(noun, weakness, skill, failure, lack) |
| inefficiency(noun, weakness, skill, failure, lack) |
| ignorance(noun, disregard, weakness, simplicity, apathy) |
| ineptness(noun, weakness, skill, failure, shortcoming) |
| amateurishness(noun, stupidity, ignorance, inability, innocence) |
| ineffectiveness(noun, weakness, skill, failure, lack) |
| inefficacy(noun, weakness, skill, failure, lack) |
| clumsiness(noun, stupidity, ignorance, exclusion, inability) |
| inadequateness(noun, defect, deficiency, inadequacy, shortage) |
| inexperience(noun, disregard, disadvantage, bewilderment, stupidity) |
| unfamiliarity(noun, disregard, simplicity, bewilderment, sleep) |
| crudeness(noun, disregard, simplicity, bewilderment, sleep) |
| ineffectuality(noun, weakness, hopelessness, inability, irresolution) |
| maladroitness(noun, innocence, uselessness, incompetence, clumsiness) |
| unawareness(noun, disregard, simplicity, bewilderment, sleep) |
| ineffectualness(noun, weakness, skill, failure, lack) |