Protein-rich legumes are a great source of nutrition and can be found in many different varieties. Soybeans, which have seven letters, are one such type of legume that is high in protein and other essential nutrients. Soybeans are a versatile food that can be used in a variety of dishes, from soups to stir-fries. They are also a popular ingredient in many vegan and vegetarian dishes. Soybeans are a great way to get the protein and other nutrients your body needs without having to rely on animal products.