sweating vs perspiration

sweating and perspiration both are nouns.

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

As nouns, sweating and perspiration are synonyms defined as:

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

Other synonyms of sweating include diaphoresis, hidrosis, sudation.

sweating (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