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