What's the plural form of blackguardism? Here's the word you're looking for.
Answer
The noun blackguardism can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be blackguardism.
However, in more specific contexts, the plural form can also be blackguardisms e.g. in reference to various types of blackguardisms
or a collection of blackguardisms.
Examples
Their houses may be crowded with low, vulgar, filthy trash, exposing their wives to all kinds of blackguardism, and they have no fears of their doing wrong.
Collectively, I think, but am not certain, they are the worst men in the regiment so far as genial blackguardism goes.
