Here's what rhymes with fairpay.
                        
                        
                    
                                day  pay  j  bay  che  dey  jay  payee  rj  tae  bey  they  may  way  say  play  re  lay  stay  array  essay  gay  k  obey  pray  ray  hay  nay  prey  weigh  tray  fay  fe  oj  yea  hey  ij  ley  rei  sei  whey  bj  bk  drei  fj  kc  lei  rea  saute  tj  tre  wei  bray  dray  neigh  brae  cay  fey  roue  shay  sickbay  trey  spay  away  today  delay  survey  clay  decay  gray  grey  okay  spray  ballet  repay  stray  sway  fray  slay  valet  allay  bouquet  fillet  ok  passe  sleigh  zwei  flay  belay  filet  splay  airplay  moray  purvey  sachet  sorbet  toupee  hooray  overpay  aurae  hurray  aweigh  copay  anyway  everyday  holiday  betray  cafe  dismay  halfway  astray  attache  defray  disarray  disobey  overlay  cabaret  dossier  naturae  puree  replay  societe  fistulae  getaway  parquet  soiree  souffle  fibulae  hideaway  inveigh  byplay  nisei  prepay  noway  overplay  overstay  briquet  outplay  outstay  reweigh  umbrae  respray  display  convey  yesterday  interplay  portray  underway  vertebrae  cliche  faraway  lamellae  naivete  papillae  passageway  waterway  emigre  francais  gangway  matinee  nebulae  toothache  underlay  alleyway  crochet  croquet  maxillae  risque  sobriquet  wordplay  workaday  giveaway  ricochet  throwaway  patellae  pleurae  resurvey  soubriquet  stingray  stowaway  flyaway  urethrae  caesurae  layaway  medullae  underpay  bobsleigh  foldaway  misplay  tearaway  runaway  protege  sequelae  breakaway  lingerie  scapulae  straightaway  caraway  carriageway  castaway  takeaway  underplay  roundelay  uvulae  copulae  cybercafe  formulae  microarray  cabriolet  salmonellae  macrame  penumbrae  walkaway  tarantulae  communique  trabeculae  companionway  caravanserais