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