The term 'USE A COUPON' can be broken down into two crossword solutions: SAVE (4 letters) and REDEEM (6 letters). Using a coupon is a great way to SAVE money when shopping. To SAVE money with a coupon, one must first find the coupon and then use it when making a purchase. The coupon can be redeemed at the store or online for a discount on the purchase. Redeeming a coupon is a simple process that can result in significant savings.