Here's what rhymes with retroaural.
                        
                        
                    
                                moral  coral  choral  laurel  auroral  sorrel  quarrel  immoral  floral  amoral  chloral  barcarole  unmoral  escarole  Words that almost rhyme with retroaural
halal  model  normal  formal  novel  partial  bottle  marble  causal  dorsal  lawful  martial  mortal  cordial  fossil  parcel  portal  carnal  caudal  docile  larval  marshal  marvel  nozzle  carpal  labile  morsel  faunal  tarsal  toggle  topple  wattle  cobble  cockle  gobble  hobble  jostle  pommel  warble  wobble  barbel  bauble  carpel  chordal  corbel  dawdle  gargle  goggle  mottle  waddle  waffle  boggle  coddle  narwhal  toddle  bobble  chortle  garble  joggle  noddle  doddle  dongle  nobble  jarful  gospel  hostile  harmful  immortal  thoughtful  apostle  consul  forceful  mournful  throttle  watchful  wrongful  brothel  costal  debacle  hostel  sparkle  startle  glottal  proconsul  rostral  tonsil  clausal  fondle  remodel  gambol  grovel  snorkel  twaddle  mongol  borstal  contrail  godawful  potful  swaddle  stopple  schnozzle  abnormal  informal  impartial  patriarchal  unlawful  colossal  metacarpal  resourceful  scornful  stromal  matriarchal  slothful  squabble  paranormal  remorseful  boondoggle  jonquil  elegiacal  ensemble  metatarsal  antenatal  subnormal  rhomboidal  supermodel  mollycoddle  horizontal  withdrawal  periodontal  streptococcal  staphylococcal  postconsonantal