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