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