Here's what rhymes with compontion.
                        
                        
                    
                                Words that almost rhyme with compontion
portion  torsion  contortion  bonbon  adoption  abortion  bargain  caution  pardon  pollen  cation  jargon  wanton  darken  apportion  bobbin  concoction  barman  tartan  bondman  bondmen  tarpon  barmen  conman  tauten  common  foreign  doctrine  carbon  cotton  fallen  fortune  garden  margin  sovereign  gotten  uncommon  foreman  rotten  toxin  broaden  parson  shorten  shotgun  soften  trodden  warden  carton  dolphin  foremen  harden  hearken  robin  sharpen  sodden  watchman  carmine  cordon  libation  rosin  logon  marten  spartan  warren  bondsman  hearten  lawman  marlin  martin  motorman  corpsman  harken  motormen  bargeman  gorgon  sporran  cardamon  rontgen  shodden  proportion  absorption  distortion  horsemen  infarction  precaution  befallen  cauldron  extortion  horseman  herniation  caldron  godson  toboggan  yachtsman  coarsen  reapportion  smarten  yardman  yardmen  ramekin  caseharden  forgotten  misfortune  exhaustion  squadron  kindergarten  resorption  sportsman  downtrodden  marksman  antiabortion  dishearten  longshoreman  unforgotten  calumniation  resharpen  retrodden  antitoxin  misbegotten  muskoxen  foreshorten  hydrocarbon  disproportion  radiocarbon  fluorocarbon  prekindergarten