Regionals rhymes with:
superregionals, superregionals', superregionals, superregionals', originals, superregionals, 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', sentinels, superregionals, superregionals', terminals