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