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