The primary difference between rye and whiskey lies in the grain composition used in the distillation process, which subsequently affects their flavor profiles. Here’s a deeper breakdown:

Whiskey:

1. Definition: Whiskey is a broad category of distilled alcoholic beverages made from fermented grain mash. Various grains (which may be malted) including barley, corn (maize), rye, and wheat can be used.
2. Types: There are various types of whiskey, including bourbon, Scotch, and Irish whiskey, among others. Each type has specific rules governing its production.
3. Geographical Indications: Whiskeys often have geographical indications and standards. For example, Scotch whisky is made in Scotland and must adhere to specific production standards, while bourbon is a type of American whiskey with its own set of rules.
4. Aging: Whiskey must be aged in wooden casks, typically oak barrels. The aging process can influence the flavor, color, and aroma of the beverage.
5. Flavor Profile: The flavor profile of whiskey can be quite diverse, depending on the type of grains used, the production process, and the aging process. It can range from sweet and smooth to spicy and smoky.

Rye:

1. Grain: When we refer to rye in the context of alcoholic beverages, we might be referring to either rye whiskey or the rye grain itself. Rye is a type of grain that is often used in the production of whiskey and other spirits.
2. Rye Whiskey: This refers to whiskey that is made with a significant proportion of rye grain in the mash bill. In the United States, rye whiskey must contain at least 51% rye grain. In Canada, there’s no specific requirement for the percentage of rye grain in rye whiskey.
3. Flavor Profile: Rye grain contributes a spicy, fruity, and slightly bitter flavor to the whiskey. Rye whiskeys are often described as having more spice and complexity compared to other types of whiskeys.
4. Types of Rye Whiskey:
   • American Rye Whiskey: Must be made from a mash bill of at least 51% rye grain, distilled to not more than 160 proof, and aged in new charred oak barrels. It cannot enter the barrel at higher than 125 proof.
   • Canadian Rye Whisky: Canadian whisky, sometimes labeled as rye whisky, may not always contain a significant amount of rye grain in the mash bill. The term “rye” is more of a historical reference to the type of whisky produced in Canada.
5. Aging: Just like other whiskeys, rye whiskey is aged in wooden barrels, which contributes to its flavor profile.

I hope this clears up the difference between rye and whiskey! Let me know if you have any other questions.