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