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