What's the plural form of patrimonialism? Here's the word you're looking for.
Answer
The noun patrimonialism can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be patrimonialism.
However, in more specific contexts, the plural form can also be patrimonialisms e.g. in reference to various types of patrimonialisms
or a collection of patrimonialisms.
Examples
Novel aspects of state society relations such as clientelism and patrimonialism were opened up to inquiry.