What's the plural form of subjacency? Here's the word you're looking for.
Answer
The noun subjacency can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be subjacency.
However, in more specific contexts, the plural form can also be subjacencies e.g. in reference to various types of subjacencies
or a collection of subjacencies.
Examples
Further evidence in favour of the variable analysis comes from the fact that the distribution of null objects is sensitive to subjacency.
In other words, the Subjacency Condition may be an innate 'fossil' of a glossogenetic adaptation to avoid long-distance dependencies.