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