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