What is the collective noun for plague?

There isn't a commonly used collective noun specifically for a group of plagues.

However, you could use some metaphorical or descriptive phrases depending on the context:

* A scourge of plagues: This emphasizes the destructive nature of the plagues.

* A pestilence of plagues: This highlights the contagious and harmful aspect.

* A wave of plagues: This focuses on the spread and impact.

* A legion of plagues: This evokes a sense of overwhelming numbers.

You could also use a general collective noun like a collection or a series to simply refer to multiple plagues.

Ultimately, the best choice will depend on the specific meaning you want to convey.