Here's what rhymes with fleun.
                        
                        
                    
                                loon  rune  soon  moon  noon  tune  boon  hewn  saloon  shewn  strewn  doin  dune  foon  coon  prune  croon  goon  shoon  immune  balloon  spoon  lagoon  toluene  aucune  harpoon  maroon  raccoon  swoon  attune  racoon  cartoon  platoon  cocoon  forenoon  baboon  buffoon  typhoon  bassoon  dragoon  impugn  tycoon  festoon  jejune  lampoon  spittoon  doubloon  patroon  poltroon  bestrewn  afternoon  honeymoon  monsoon  opportune  pontoon  picayune  macaroon  protozoon  tablespoon  inopportune  importune  dessertspoon  spermatozoon  trinitrotoluene  Words that almost rhyme with fleun
room  loom  rheum  whom  boom  tomb  bloom  doom  gloom  womb  broom  groom  plume  zoom  fume  flume  assume  resume  suum  abloom  legroom  foredoom  perfume  presume  subsume  exhume  elbowroom  entomb  costume  consume  residuum  strongroom  boxroom