Soup veggie is a term used to describe vegetables that are commonly used in soups. The crossword solutions for this term include PEA (3 letters), LEEK (4 letters), BEAN (4 letters), LENTIL (6 letters), BEET (4 letters), OKRA (4 letters), navybean (8 letters), and butterbean (10 letters). Peas, beans, and lentils are legumes that are often used in soups, while leeks, beets, and OKRA are all vegetables that can add flavor and texture to a soup. Navybeans and butterbeans are both types of beans that are popular in soups.