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