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