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