What's the plural form of barleywine? Here's the word you're looking for.
Answer
The noun barleywine can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be barleywine.
However, in more specific contexts, the plural form can also be barleywines e.g. in reference to various types of barleywines
or a collection of barleywines.