Here's what rhymes with infidelity.
fidelity Words that almost rhyme with infidelity
parity melody parody rarity verity therapy clarity sincerity disparity polarity temerity similarity posterity dexterity celerity hilarity prosperity solidarity insincerity bipolarity capillarity popularity familiarity chemotherapy singularity angularity hypnotherapy peculiarity psychotherapy regularity irregularity radiotherapy granularity physiotherapy subsidiarity hydrotherapy unfamiliarity jealousy density intensity integrity penalty deputy brevity felony indemnity jealously indelibly velvety identity necessity heavily readily destiny seventy specially steadily legacy heredity peasantry specialty longevity pedigree serenity tenancy verily immensity sesame amenity inequity pedantry impeccably tenantry testily devilry negligee retinae carefully tendency chemistry presently extremity heavenly mentally chemically hegemony heresy pleasantly terribly carelessly incessantly leprosy severally dentistry dreadfully medically merrily recklessly warily weaponry wearily breathlessly pleasantry revelry telemetry telepathy helpfully impetuously legibly nonentity unsteadily acerbity blessedly ineffably prayerfully apparently essentially complexity potentially pregnancy secondly supremacy allegedly centrally incidentally helplessly incredibly perplexity sensibly solemnity clemency convexity insensibly marvellously restlessly mastectomy unbearably unpleasantly credibly inclemency tangentially primarily independently dependency temporarily expectancy ostensibly respectfully ascendancy ascendency biochemistry contentedly hysterectomy militarily splendidly confessedly expectantly flexibly heraldry professedly regretfully biochemically geochemistry regrettably vasectomy necessarily successfully fundamentally ordinarily voluntarily accidentally discrepancy momentarily conscientiously tremendously preferentially relentlessly secondarily sequentially acceptably clandestinely coincidentally confidentially incrementally inexpressibly lamentably existentially incontestably indispensably instrumentally quintessentially resentfully respectably sentimentally arbitrarily transparency customarily unsuccessfully contemptuously developmentally exponentially providentially transparently temperamentally tonsillectomy unacceptably experimentally environmentally unnecessarily superintendency extraordinarily