Here's what rhymes with aphteux.
                        
                        
                    
                                so  though  show  tho  fo  foe  ho  ceux  faut  hoe  sew  soe  vo  sho  zo  no  know  go  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  sloe  whoa  doh  schmo  schmoe  although  ago  blow  grow  pro  glow  quo  audio  chateau  crow  hello  bio  nouveau  uno  tuo  bro  chateaux  trow  chapeau  tarot  kayo  matzoh  chapeaux  fatso  borzoi  resew  below  ratio  plateau  bestow  buffalo  folio  patio  forego  forgo  aglow  aliquot  cameo  dicho  escrow  siglo  topos  dunno  plateaux  trousseau  adagio  kapok  oleo  turbot  deathblow  foreknow  bandeau  gateau  gateaux  pekoe  trousseaux  tallyho  radio  overthrow  studio  undergo  overflow  stereo  calico  polio  propos  tableau  vertigo  apropos  domino  outgrow  rodeo  spatio  tableaux  afterglow  undertow  overgrow  regrow  romeo  embryo  indigo  bungalow  dynamo  medico  mistletoe  piccolo  pistachio  pompano  mustachio  moustachio  portico  presidio  oregano  pianissimo  microdot  portfolio  politico  braggadocio  archipelago  impresario  generalissimo