Superregionals rhymes with:
superregionals', superregionals', regionals, superregionals', regionals, superregionals', originals, regionals, superregionals', arsenals, biphenyls, cardinal's, cardinals, confessionals, criminal's, criminals, criminals', diagonals, international's, internationals, juvenile's, juveniles, multinationals, national's, nationals, nonprofessionals, originals, professionals, professionals', regionals, sentinels, superregionals', terminals