Synonyms of crankiness

2 Syllables
harshness, sarcasm, tartness, rancor, spite
3 Syllables
churlishness, bitterness, unkindness, mordancy, malice, rudeness, peevishness
4 Syllables
astringency, acrimony, antipathy, virulence, asperity, acerbity
5 Syllables
animosity, belligerence, malevolence
6 Syllables
irascibility