What's the plural form of ombrophobia? Here's the word you're looking for.
Answer
The noun ombrophobia is uncountable.
The plural form of ombrophobia is also ombrophobia.
Examples
Chirophobia is a fear of hands, dipsophobia, ecophobia and ombrophobia is a fear of rain or of being rained upon, so always remember to take your ombrella.
Maybe a few months hard labour would sort out their ombrophobia.