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