Here's what rhymes with peculiarity.
parity rarity verity clarity polarity temerity celerity hilarity prosperity sincerity solidarity disparity posterity regularity dexterity granularity capillarity popularity similarity familiarity irregularity singularity insincerity angularity bipolarity subsidiarity unfamiliarity Words that almost rhyme with peculiarity
therapy parody melody fidelity chemotherapy radiotherapy psychotherapy physiotherapy hydrotherapy hypnotherapy heresy merrily warily wearily carefully density heavily readily penalty seventy deputy legacy heredity terribly brevity leprosy serenity severally verily sesame amenity velvety acerbity retinae apparently identity necessity primarily chemistry destiny integrity specially steadily heavenly jealousy mentally centrally chemically hegemony peasantry specialty carelessly felony longevity pedigree tenancy immensity medically weaponry heraldry inequity pedantry revelry legibly tenantry testily devilry negligee prayerfully temperately essentially intensity tendency presently extremity ordinarily secondly allegedly pleasantly indemnity sensibly solemnity clemency dentistry dreadfully jealously militarily recklessly pleasantry telemetry telepathy unbearably credibly helpfully nonentity blessedly fretfully necessarily complexity potentially pregnancy supremacy temporarily voluntarily arbitrarily ascendancy customarily helplessly incessantly perplexity ascendency convexity restlessly breathlessly flexibly lamentably professedly regretfully geochemistry impeccably regrettably resentfully respectably unsteadily vasectomy successfully dependency extraordinarily momentarily ostensibly respectfully transparency conscientiously incredibly tremendously biochemistry developmentally insensibly marvellously preferentially relentlessly secondarily sequentially splendidly acceptably clandestinely confessedly incrementally indelibly mastectomy transparently unpleasantly biochemically impetuously inclemency tangentially accidentally discrepancy expectancy experimentally incidentally unnecessarily contentedly exponentially hysterectomy confidentially expectantly providentially existentially instrumentally independently fundamentally environmentally unsuccessfully coincidentally inexpressibly incontestably indispensably quintessentially sentimentally temperamentally tonsillectomy unacceptably contemptuously superintendency