Here's what rhymes with relgion.
                        
                        
                    
                                Words that almost rhyme with relgion
region  legion  elan  reason  eaten  lesion  reafon  renin  ian  eon  didn  season  beaten  treason  demon  heathen  seamen  weaken  deacon  deepen  needn  seaman  semen  beacon  freedmen  freeman  chorion  daemon  diesen  dn  freedman  ruffian  zijn  cheapen  elision  paean  peon  phaeton  wheaten  cretin  collegian  sequin  neaten  policeman  uneven  chieftain  deletion  accretion  boolean  lndian  artesian  sweeten  pigpen  steepen  fieldsman  secretion  adhesion  cohesion  depletion  plebeian  archdeacon  protean  repletion  unbeaten  preseason  overeaten  completion  excretion  occafion  polyhedron  tetrahedron  postseason  amphotericin  epicurean  plainclothesman