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