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