Sugar
A sweet crystalline substance obtained from various plants, especially sugar cane and sugar beet, consisting essentially of sucrose, and used as a sweetener in food and drink.
Corn
A North American cereal plant that yields large grains, or kernels, set in rows on a cob. Its many varieties yield numerous products, highly valued for both human and livestock consumption.
Wheat
A cereal plant that is the most important kind grown in temperate countries, the grain of which is ground to make flour for bread, pasta, pastry, etc.
