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