polyhidrosis vs sudation

polyhidrosis and sudation both are nouns.

Word	Noun	Adjective	Verb	Adverb
polyhidrosis	Yes	No	No	No
sudation	Yes	No	No	No

As nouns, sudation is a hypernym of polyhidrosis; that is, sudation is a word with a broader meaning than polyhidrosis:

polyhidrosis: excessive and profuse perspiration
sudation: the process of the sweat glands of the skin secreting a salty fluid

Other hypernyms of polyhidrosis include diaphoresis, hidrosis, perspiration, sweating.

polyhidrosis (noun)	sudation (noun)
excessive and profuse perspiration	the process of the sweat glands of the skin secreting a salty fluid