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