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