The term BEVERAGE NUT is a combination of two crossword solutions: KOLA (4 letters) and COLA (4 letters). KOLA and COLA are both types of carbonated soft drinks, often referred to as soda or pop. They are usually flavored with caramel and contain caffeine. KOLA is a type of cola that originated in the Caribbean and is made with kola nuts, while COLA is a generic term for any type of cola. Both KOLA and COLA are popular beverages around the world.