Wheat or barley are both cereal crops that are widely grown around the world. They are both members of the grass family and are used for a variety of purposes, including food, animal feed, and fuel. Wheat and barley are both important sources of carbohydrates, proteins, and other essential nutrients. They are also used to make beer, whiskey, and other alcoholic beverages. The CROP in question is CROP, which is a four-letter word.