The crossword solution for the term 'Drink Suffix' is ADE, which is a three-letter suffix that is commonly used to denote a type of beverage. It is derived from the French word 'ADE', which means 'sweetened beverage'. This suffix is often used to refer to drinks that are made with fruit juice, such as lemonade or limeade. It can also be used to refer to carbonated drinks, such as cola or root beer.