Here's what rhymes with smuain.
                        
                        
                    
                                main  gain  pain  chain  rain  reign  ln  vain  vein  cane  lane  sane  fain  lain  pane  rein  bane  mane  tain  vane  wane  deign  feign  arraign  thane  wain  brain  remain  grain  plain  plane  train  attain  retain  drain  slain  stain  humane  regain  terrain  crane  ordain  twain  arcane  butane  humaine  inane  moraine  skein  urbane  romaine  swain  murrain  maintain  obtain  domain  strain  sustain  insane  refrain  champagne  cocaine  profane  detain  hurricane  mundane  pertain  cellophane  certaine  germane  halothane  inhumane  sprain  urethane  retrain  chicane  ingrain  wholegrain  reattain  contain  campaign  ascertain  complain  entertain  disdain  restrain  abstain  aeroplane  sugarcane  overlain  appertain  explain  constrain  monoplane  windowpane  hydroplane  foreordain  preordain  coxswain  legerdemain  reexplain  polyurethane  demimondaine  Words that almost rhyme with smuain
same  came  name  game  fame  shame  lame  tame  dame  maim  claim  frame  blame  flame  rename  became  reclaim  acclaim  filename  inflame  aflame  selfsame  defame  ballgame  forename  proclaim  overcame  declaim  aspartame  exclaim  disclaim  quitclaim  counterclaim