Here's what rhymes with gou.
                        
                        
                    
                                coup  oo  ou  qu  ooo  eu  ku  coo  cou  gu  oooo  ooooo  goo  ooh  to  who  you  do  two  new  too  due  knew  du  grew  que  u  crew  q  shoe  zu  clue  cue  dew  glue  lieu  queue  shew  su  sue  tu  vous  chew  cu  deux  fu  lu  rue  zoo  bu  hu  ju  jus  loo  mu  nu  peu  pu  seu  shu  sou  vu  woo  yew  yu  boo  chou  chu  doo  ewe  feu  ru  shou  thu  tue  vou  wou  wu  clew  moo  pooh  poo  shoo  gnu  roux  thew  whew  achoo  through  few  true  view  blue  drew  threw  blew  flew  screw  anew  canoe  hue  accrue  flue  slew  stew  adieu  ado  brew  flu  pew  skew  thru  beaucoup  fue  hew  mieux  shrew  tzu  vue  mew  kazoo  slue  phew  into  pursue  renew  undue  ensue  taboo  undo  jusqu  piu  tattoo  eschew  outdo  sprue  vnto  askew  outgrew  redo  strew  halloo  spew  valuer  foreknew  zebu  wazoo  booboo  regrew  review  avenue  bamboo  debut  subdue  untrue  caribou  overdue  kangaroo  revue  shampoo  sinew  imbue  overdo  cockatoo  bugaboo  endue  indue  peekaboo  buckaroo  muumuu  overshoe  overgrew  atishoo  revenue  hitherto  overview  residue  withdrew  retinue  construe  overthrew  ballyhoo  honeydew  fondue  marabou  bestrew  overflew  prevue  superglue  overdrew  interview  rendezvous  barbecue  barbeque  hullabaloo  misconstrue