Here's what rhymes with oultrageux.
                        
                        
                    
                                so  though  show  tho  fo  foe  ho  ceux  faut  hoe  sew  soe  vo  sho  zo  no  know  go  although  low  co  flow  slow  snow  throw  row  lo  bo  doe  dough  fro  mo  po  ro  toe  wo  woe  thro  tow  yo  beau  goe  jo  ko  beaux  cho  dau  floe  mow  noe  roe  yeux  rho  stow  throe  trousseau  sloe  whoa  doh  trousseaux  borzoi  schmo  resew  schmoe  ago  ratio  blow  grow  pro  glow  plateau  quo  audio  chateau  crow  hello  bio  nouveau  propos  uno  tuo  bro  chateaux  plateaux  trow  chapeau  kayo  matzoh  chapeaux  fatso  tallyho  below  radio  bestow  buffalo  folio  patio  forego  forgo  polio  tableau  aglow  aliquot  apropos  cameo  dicho  escrow  rodeo  siglo  tableaux  topos  dunno  adagio  kapok  oleo  tarot  turbot  deathblow  foreknow  regrow  bandeau  gateau  gateaux  pekoe  romeo  embryo  overthrow  studio  undergo  overflow  portico  stereo  calico  dynamo  vertigo  domino  outgrow  presidio  spatio  afterglow  piccolo  pistachio  undertow  overgrow  portfolio  indigo  bungalow  politico  medico  mistletoe  oregano  braggadocio  pianissimo  pompano  mustachio  microdot  moustachio  archipelago  impresario  generalissimo