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