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