Synonyms of peculiarities

1 Syllable
quirk, schtick, twist, slant, kink, trait, mark
2 Syllables
gimmick, foible, savor, queerness
3 Syllables
property, freakishness, mannerism, feature, quality, character, specialty
4 Syllables
bizarreness, unusualness, attribute, affectation
5 Syllables
eccentricity, distinctiveness, singularity, abnormality, idiosyncrasy
6 Syllables
particularity