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