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