sudation vs perspiration

sudation and perspiration both are nouns.

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

As nouns, sudation and perspiration are synonyms defined as:

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

Other synonyms of sudation include diaphoresis, hidrosis, sweating.

sudation (noun)	perspiration (noun)
the process of the sweat glands of the skin secreting a salty fluid	salty fluid secreted by sweat glands
	the process of the sweat glands of the skin secreting a salty fluid