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