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