Here's what rhymes with oonful.
                        
                        
                    
                                tuneful  tablespoonful  dessertspoonful  Words that almost rhyme with oonful
useful  youthful  rueful  cupful  neutral  dual  fruitful  duel  jewel  truthful  tubal  ducal  ruble  noodle  poodle  rouble  doodle  duple  google  newel  boodle  spoonbill  spoonsful  tootle  scoopful  fuel  crucial  cruel  pupil  brutal  feudal  futile  buccal  perusal  bugle  butyl  frugal  dural  pupal  nubile  bluegill  crewel  bejewel  removal  approval  communal  renewal  occlusal  scruple  accrual  unfruitful  untruthful  monsoonal  strudel  caboodle  canoodle  refusal  tribunal  refuel  bamboozle  quadruple  synfuel  protrusile  disapproval  tablespoonsful  dessertspoonsful  instinctual  premenstrual