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