Here's what rhymes with polysemicity.
felicity infelicity simplicity rusticity electricity elasticity publicity specificity toxicity complicity eccentricity plasticity catholicity domesticity periodicity egocentricity Words that almost rhyme with polysemicity
nativity festivity activity relativity acclivity captivity selectivity insensitivity negativity declivity creativity exclusivity proclivity productivity conductivity radioactivity superconductivity minutely rickety senility ability dignity ministry mobility validity vicinity affinity fertility nobility symmetry tyranny humidity infinity acidity bigotry civility femininity salinity simile solidity timidity agility distally fixity fluidity litany trinity cheerily servility villainy virility bigamy billowy frigidity timothy wittily finicky fiscally scurrility willowy sympathy explicitly hostility initially utility antiquity divinity implicitly cheerfully morbidity rapidity rigidity viability visually antipathy asymmetry busily futility liquidity symphony unanimity debility epitome fearfully fragility indignity prettily sublimity timidly turbidity wilfully wistfully blissfully distantly docility fitfully invalidity ritually signally willfully dismally guiltily legibility tearfully dizzily stolidity possibility differently flexibility officially feasibility inherently visibly vividly chivalry facsimile irritability skillfully volatility alkalinity ductility fearlessly polygamy sociability soliloquy versatility amiability epiphany exigency insistently invisibility listlessly reversibility viciously divisibility flippancy minstrelsy placidity prolixity aborigine abysmally diffidently flippantly invincibly privily efficiency probability sufficiently availability consistently capability consistency conspiracy efficiently proximity reliability applicability sufficiency tranquillity brilliancy brilliantly indifferently indignantly intermittently malignancy persistently religiously assiduously irresistibly magnanimity admissibility beneficially calligraphy hospitably invisibly judicially stringency unofficially coherency malleability polyphony pusillanimity quizzically stringently ambitiously responsibility deficiency artificially contingency inconsistency insufficiency masculinity susceptibility acceptability adaptability inefficiency insufficiently suspiciously deliciously inaccessibility inviolability resiliency affordability contingently incoherently inconsistently indivisibility inefficiently auspiciously fictitiously delinquency proficiency compatibility superficially irresponsibility predictably surreptitiously expeditiously improbability inexplicably practicability impracticability unpredictably immunodeficiency