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