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