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