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