sweat vs excrete

sweat is a noun but excrete is not a noun.

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

As verbs, excrete is a hypernym of sweat; that is, excrete is a word with a broader meaning than sweat:

Other hypernyms of sweat include egest, eliminate, pass.

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

sweat (verb)	excrete (verb)
excrete perspiration through the pores in the skin	eliminate from the body