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