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