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