Adjektive
snappy [ snappier ; snappiest ]
snappish [ more snappish ; most snappish ]
impulsive [ more impulsive ; most impulsive ]
wanton [ more wanton ; most wanton ]
waspish [ more waspish ; most waspish ]
impetuous [ more impetuous ; most impetuous]
irritable [ more irritable ; most irritable]
peevish [ more peevish ; most peevish]
snippy [ snippier ; snippiest]
testy [ testier ; testiest]
...
Noun
lightness [pl. lightnesses]
susceptibility [pl. susceptibilities]
Verb