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