rubbing vs sweat

rubbing and sweat both are nouns.

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

As nouns, sweat is a hypernym of rubbing; that is, sweat is a word with a broader meaning than rubbing:

Other hypernyms of rubbing include effort, elbow grease, exertion, travail.

rubbing (noun)	sweat (noun)
effort expended in moving one object over another with pressure	use of physical or mental energy; hard work
representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal	salty fluid secreted by sweat glands
the resistance encountered when one body is moved in contact with another	condensation of moisture on a cold surface
	agitation resulting from active worry

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