What's the plural form of virtuosoship? Here's the word you're looking for.
Answer
The noun virtuosoship can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be virtuosoship.
However, in more specific contexts, the plural form can also be virtuosoships e.g. in reference to various types of virtuosoships
or a collection of virtuosoships.
Examples
If any thing further employ his attention, it is perhaps a little virtuosoship. He inquires after fine pictures, fine statues, fine buildings.