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