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