Here's what rhymes with auditorium.
                        
                        
                    
                                thorium  terrarium  moratorium  emporium  sanatorium  crematorium  Words that almost rhyme with auditorium
saurian  riparian  praetorian  historian  stentorian  caesarian  salutatorian  valedictorian  germanium  hahnium  myocardium  syllogism  consortium  pericardium  strontium  californium