What are the key differences between whisky, whiskey, and bourbon?

Whisky and whiskey are broad terms for distilled Alcoholic Beverages made from fermented grain MASH. Whisky is typically associated with Scotch and Canadian varieties, while whiskey is often used for Irish and American types. Bourbon is a specific type of whiskey that must be made in the United States and primarily from corn mash, giving it a distinct flavor profile.