Here's what rhymes with hydroperoxide.
                        
                        
                    
                                peroxide  dioxide  dockside  monoxide  superoxide  trioxide  hydroxide  Words that almost rhyme with hydroperoxide
bauxite  cockfight  dogfight  broadside  cockeyed  jockeyed  carbide  rawhide  hayride  chloride  stockpiled  godchild  hydrochloride  categorised  equalised  deodorised  tetrachloride  philosophised