What's the plural form of purgatorie? Here's the word you're looking for.
Answer
The noun purgatorie can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be purgatorie.
However, in more specific contexts, the plural form can also be purgatories e.g. in reference to various types of purgatories
or a collection of purgatories.
Examples
From its voluminous pockets came forth toys and candies to amuse us during sojourns in doctors' waiting rooms and other kid purgatories.
Call them artificial purgatories, but Welch's bare-bones constructions are at least as moving as any of Wilson's elaborate mini-symphonies.