Synonyms of idiocrasy

1 Syllable
quirk, kink
2 Syllables
foible, oddness, weirdness, queerness
3 Syllables
quirkiness, freakishness, oddity, strangeness, waywardness, caprice
4 Syllables
aberration, capriciousness, anomaly, hereticism, outlandishness, whimsicalness
5 Syllables
whimsicality, eccentricity, singularities, nonconformity, unorthodoxness, peculiarity, eccentricities, singularity, abnormality, idiosyncrasy
6 Syllables
irregularity
7 Syllables
unconventionality