The term 'SOUP BUYS' can be broken down into two crossword solutions: CANS (4 letters) and CANFULS (7 letters). CANS are typically cylindrical metal containers that are used to store food, beverages, and other items. They are often sealed with a lid or cap to prevent contamination. Canfuls refer to the amount of something that can fit in a can. Soup is often sold in CANS, and canfuls of soup can be purchased from grocery stores, convenience stores, and other retailers.