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