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