The term 'cassava, for one' is a crossword solution that can be broken down into two words: 'SPURGE' (6 letters) and 'TUBER' (5 letters). Cassava is a woody shrub native to South America and the Caribbean, and is widely cultivated as an annual crop for its edible starchy tuberous root. The root is a major source of carbohydrates for many people in developing countries, and is also used to make tapioca and other food products.