Here's what rhymes with radoactive.
                        
                        
                    
                                attractive  proactive  reactive  inactive  radioactive  refractive  retroactive  overactive  interactive  unattractive  hyperactive  vasoactive  psychoactive  nonactive  extractive  nonradioactive  nonreactive  counteractive  putrefactive  immunoreactive  Words that almost rhyme with radoactive
captive  massive  passive  adaptive  combative  contrastive  impassive  expansive  maladaptive