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