Here's what rhymes with spoiler.
                        
                        
                    
                                boiler  toiler  broiler  despoiler  Words that almost rhyme with spoiler
joiner  choicer  pointer  oyster  foyer  goiter  neuer  loiter  coiner  coyer  moisture  moister  roister  employer  cloister  destroyer  rejoinder  embroider  conjoiner  reconnoiter