The term 'Tide Rival' is a reference to the rivalry between Tide detergent and its competitors. The crossword solutions for this term are WISK (4 letters), ALL (3 letters), FAB (3 letters), and ERA (3 letters). WISK is a brand of laundry detergent owned by Unilever, ALL is a brand of laundry detergent owned by Sun Products Corporation, FAB is a brand of laundry detergent owned by Henkel, and ERA is a brand of laundry detergent owned by Procter & Gamble.