sweating vs bodily function

sweating and bodily function both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweating	Yes	No	No	No
bodily function	Yes	No	No	No

As nouns, bodily function is a hypernym of sweating; that is, bodily function is a word with a broader meaning than sweating:

sweating: the process of the sweat glands of the skin secreting a salty fluid
bodily function: an organic process that takes place in the body

Other hypernyms of sweating include activity, bodily process, body process.

sweating (noun)	bodily function (noun)
the process of the sweat glands of the skin secreting a salty fluid	an organic process that takes place in the body