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