Synonyms of excitability

1 Syllable
slip, goof
2 Syllables
lapse, foul-up, folly, rashness, feeling, misspeak, error, stumble, miscue, bumble, slip-up, naiveté, gaffe, screw-up
3 Syllables
unease, touchiness, emotions, recklessness, moodiness, jumpiness, huffiness, gaucherie, tetchiness, surliness, ill-humor, grouchiness, foolishness, thoughtlessness, emotion, crudeness, nervousness, edginess, misjudgment, hastiness, tactlessness, restlessness
4 Syllables
neuroticism, tremulousness, inquietude, irritations, indiscretions, restiveness, hotheadedness, imprudence, unseemliness, irritation, innervation, feverishness, indiscretion, stupidity, indiscreetness, ingenuousness
5 Syllables
cantankerousness, simplemindedness, simple-mindedness
6 Syllables
irascibility
7 Syllables
hypersensitivity, oversensitivity, oversensitiveness