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