What's the plural form of orthopnoea? Here's the word you're looking for.
Answer
The noun orthopnoea can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be orthopnoea.
However, in more specific contexts, the plural form can also be orthopnoeas e.g. in reference to various types of orthopnoeas
or a collection of orthopnoeas.
Examples
On the following night eight convulsions occurred, attended by orthopnoea, and mucous rles in the chest from pulmonary oedema.
Exclusions included participants who had taken opioid medication within the previous 24 h, or who were ineligible for MRI scanning, including significant claustrophobia or orthopnoea.
