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