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