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