What's the plural form of priesting? Here's the word you're looking for.
Answer
The noun priesting can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be priesting.
However, in more specific contexts, the plural form can also be priestings e.g. in reference to various types of priestings
or a collection of priestings.
Examples
In practical terms it will mean that priests will spend their time priesting as distinct from the amalgam of very different duties they now perform.