Synonyms of quirk

1 Syllable
knack, turn, chord, curl, fad, kink, trait, whims, whim, turns, twist
2 Syllables
conceit, fetish, curled, outliers, flourish, quibbled, fancy, outlier, ogee, flections, curling, curve, queerness, flection, crotchet, foible, oddness, quibble, humor, whimsy, habit, weirdness
3 Syllables
mannerisms, right-about, oddities, quirkiness, pleasantries, mannerism, flourishes, spuriousness, mummery, curlicue, vagary, oddity, hairsplitter, misconstrual, speciousness, epigrams, epigram, caprice, crispation, quiddity, pleasantry, vagaries, flexure, rightabout, fallacy, changeabout, fallacies
4 Syllables
aberration, bizarreness, attribute, aberrations, catenary, subterfuge, assuetude, buffoonery, hereticism, outlandishness, whimsicalness, idiocrasy
5 Syllables
ridiculousness, incurvature, singularities, peculiarities, eccentricity, characteristic, peculiarity, eccentricities, singularity, equivocation, idiosyncrasy
6 Syllables
irregularity, extraordinariness