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