Here's what rhymes with preflion.
                        
                        
                    
                                ion  lion  scion  baryon  prion  aphelion  perihelion  dandelion  Words that almost rhyme with preflion
diam  einen  frighten  lichen  lighten  ripen  liken  liven  thriven  horizon  tighten  widen  bison  brighten  heighten  siren  beiden  hyphen  siphon  hymen  syphon  whiten  lineman  linemen  titan  enlighten  fibrin  fireman  firemen  enliven  pinyon  linesman  billycan  funnyman  finespun  veniremen  bedizen  cotyledon  dicotyledon  monocotyledon