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