Here's what rhymes with retroperitoneal.
                        
                        
                    
                                meal  kneel  feel  real  deal  seal  wheel  zeal  heal  heel  peritoneal  keel  peel  reel  peal  veal  peroneal  weel  anneal  teal  ideal  appeal  steel  steal  unreal  genteel  famille  ileal  intraperitoneal  surreal  creel  spiel  unseal  unreel  reveal  conceal  ordeal  repeal  corneal  luteal  puerile  squeal  congeal  bookmobile  tumbril  reseal  schlemiel  audiophile  misdeal  shlemiel  bloodmobile  automobile  gluteal  fibril  snowmobile  popliteal  epiphyseal  periosteal  bibliophile  glockenspiel  Words that almost rhyme with retroperitoneal
here  hear  tier  fiir  seer  bier  weir  dere  heare  weer  ampere  drear  endear  uprear  overhear  buccaneer  puppeteer  compere  rehear  mishear  musketeer