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