sweat vs perspiration

sweat and perspiration both are nouns.

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

As nouns, sweat and perspiration are synonyms defined as:

Other synonyms of sweat include sudor.

sweat (noun)	perspiration (noun)
use of physical or mental energy; hard work	salty fluid secreted by sweat glands
salty fluid secreted by sweat glands	the process of the sweat glands of the skin secreting a salty fluid
condensation of moisture on a cold surface
agitation resulting from active worry

sweat (verb)	perspiration (verb)
excrete perspiration through the pores in the skin