hyperhidrosis vs hidrosis

hyperhidrosis and hidrosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperhidrosis	Yes	No	No	No
hidrosis	Yes	No	No	No

As nouns, hidrosis is a hypernym of hyperhidrosis; that is, hidrosis is a word with a broader meaning than hyperhidrosis:

hyperhidrosis: excessive and profuse perspiration
hidrosis: the process of the sweat glands of the skin secreting a salty fluid

Other hypernyms of hyperhidrosis include diaphoresis, perspiration, sudation, sweating.

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