Here's what rhymes with decaying.
                        
                        
                    
                                saying  laying  paying  weighing  allaying  assaying  baying  buffeting  graying  haying  neighing  playing  praying  staying  surveying  delaying  obeying  swaying  slaying  preying  braying  conveying  betraying  spraying  repaying  straying  defraying  displaying  portraying  disobeying  Words that almost rhyme with decaying
gaining  gazing  casing  gaming  gaping  gating  gauging  caving  making  taking  raising  waiting  facing  saving  amazing  awaiting  claiming  dating  failing  naming  pertaining  rating  sailing  shaking  shaping  attaining  baking  bathing  fading  grading  grazing  mating  racing  raging  scaling  waking  waving  basing  chasing  craving  debating  educating  grating  lading  mailing  pacing  paving  pervading  railing  raining  reigning  shading  shaving  wailing  waning  weighting  glazing  hating  raiding  raking  raving  scathing  skating  wading  waging  whaling  assailing  availing  awaking  baiting  blockading  chafing  chaining  feigning  hailing  nailing  paging  parading  phasing  quaking  raping  tailing  taming  taping  veiling  abating  bailing  craning  faking  hazing  maiming  shaming  waiving  training  breaking  changing  creating  operating  painting  indicating  obtaining  placing  ranging  trading  engaging  stating  advocating  arranging  blazing  escaping  framing  spacing  staging  staining  tracing  wasting  behaving  blaming  bracing  degrading  detailing  draining  fainting  flaming  persuading  plating  praising  scraping  tasting  trailing  updating  upgrading  agitating  allocating  appertaining  appraising  braking  decorating  equating  evading  mitigating  partaking  phrasing  regaining  unfailing  acquainting  bleating  cascading  curtailing  debasing  delegating  detaining  dilating  effacing  erasing  flaking  irrigating  negating  pasting  plaything  staking  unveiling  automating  basting  bewailing  braiding  braving  collating  declaiming  draping  flailing  plaguing  plaiting  containing  relating  remaining  prevailing  undertaking  alternating  generating  retaining  separating  dominating  engraving  entertaining  estimating  integrating  invading  modelling  originating  sustaining  activating  ascertaining  campaigning  elevating  emanating  imitating  irritating  isolating  liberating  motivating  proclaiming  propagating  straining  terminating  unchanging  undulating  animating  lubricating  meditating  modulating  navigating  oscillating  suffocating  unavailing  abstaining  aggregating  crusading  dedicating  deprecating  deviating  dissipating  emigrating  entailing  eradicating  germinating  inhaling  interlacing  intimating  moderating  narrating  overtaking  perforating  permeating  reclaiming  remaking  renaming  reshaping  saturating  tolerating  vindicating  actuating  deflating  denaturing  desolating  disclaiming  disdaining  downgrading  enervating  hibernating  innovating  instigating  obviating  ordaining  overgrazing  percolating  relegating  revelling  strafing  subjugating  supplicating  upbraiding  urinating  explaining  maintaining  fascinating  penetrating  replacing  complaining  devastating  embracing  translating  accelerating  accommodating  associating  complicating  cooperating  exchanging  graduating  insulating  mediating  radiating  aggravating  alienating  alleviating  countervailing  designating  displacing  elaborating  escalating  evaporating  exclaiming  hesitating  mistaking  nominating  officiating  retraining  validating  annihilating  duplicating  emulating  fabricating  forsaking  implicating  interrogating  mainspring  masquerading  paraphrasing  postulating  rearranging  recreating  refraining  reiterating  replicating  vacillating  ventilating  adjudicating  antedating  authenticating  corroborating  denigrating  disengaging  explicating  extricating  inflaming  inflating  interchanging  interpolating  masturbating  mutilating  nauseating  perpetrating  promulgating  prostrating  renovating  resonating  restating  retracing  situating  tabulating  undeviating  circulating  regulating  stimulating  cultivating  eliminating  illuminating  illustrating  initiating  investigating  negotiating  anticipating  appreciating  celebrating  compensating  coordinating  culminating  fluctuating  restraining  assimilating  captivating  collaborating  commemorating  constraining  debilitating  disseminating  exaggerating  exhilarating  invigorating  perpetuating  reciprocating  regenerating  simulating  speculating  ameliorating  degenerating  deliberating  delineating  elucidating  enumerating  excavating  incubating  legislating  legitimating  liquidating  obliterating  remodelling  segregating  stipulating  amalgamating  attenuating  confiscating  consecrating  dissociating  enunciating  fulminating  gravitating  impersonating  inaugurating  recuperating  reverberating  ruminating  scintillating  uncomplaining  calculating  communicating  demonstrating  evaluating  participating  contemplating  facilitating  incorporating  accumulating  deteriorating  differentiating  formulating  intoxicating  manipulating  precipitating  appropriating  approximating  articulating  disintegrating  intimidating  necessitating  predominating  proliferating  conciliating  contaminating  evacuating  exasperating  exterminating  refrigerating  repudiating  subordinating  accentuating  coagulating  depreciating  emancipating  encapsulating  exacerbating  inactivating  ingratiating  inoculating  invalidating  menstruating  recirculating  reinstating  unhesitating  concentrating  discriminating  humiliating  congratulating  consolidating  excruciating  incriminating  electroplating  extenuating  extrapolating  infuriating  preponderating  rehabilitating  remonstrating  underestimating  incapacitating  substantiating