The term 'Versatile Veggie' refers to three vegetables that can be used in a variety of dishes: the YAM (3 letters), POTATO (6 letters), and greenbean (9 letters). Yams are a root vegetable with a sweet flavor, often used in stews and soups. Potatoes are a starchy tuber, popularly used in mashed potatoes, french fries, and other dishes. Greenbeans are a type of legume, often served as a side dish or added to salads. All three of these vegetables are highly versatile and can be used in a variety of recipes.