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