What's the plural form of mutuation? Here's the word you're looking for.
Answer
The noun mutuation can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be mutuation.
However, in more specific contexts, the plural form can also be mutuations e.g. in reference to various types of mutuations
or a collection of mutuations.
Examples
Over a pet's lifetime, inflammatory events cause increased cell division and mutuation.