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