Baking powder is a combination of leavening agents, such as baking soda, COCOA, SODIUM, and tartaric acid, that are used to help baked goods rise. LEAVEN, which has 6 letters, is an agent used to produce fermentation in dough or batter, resulting in a light, airy texture. COCOA, with 5 letters, is a powder made from the beans of the cacao tree, and is used to make chocolate and other desserts. SODIUM, also with 6 letters, is a chemical element found in many foods, and is essential for human health. Tartaric acid, with 8 letters, is a type of acid found in grapes and other fruits, and is used as a leavening agent in baking powder.