Synonyms of inaptitude

1 Syllable
lack
2 Syllables
frailty, weakness
3 Syllables
unfitness, failure, ineptness, shortcoming
4 Syllables
powerlessness, necessity, impotence
5 Syllables
inefficacy, inadequacy, ineptitude, incompetence, incompetency, inefficiency, ineffectualness, inutility, incapacity, insufficiency, inability
6 Syllables
disqualification, incapability, ineffectiveness, incapacitation