hyperhidrosis vs perspiration

hyperhidrosis and perspiration both are nouns.

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

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

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

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

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