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