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