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