scouring vs cleanup

scouring and cleanup both are nouns.

Word	Noun	Adjective	Verb	Adverb
scouring	Yes	No	No	No
cleanup	Yes	No	No	No

As nouns, cleanup is a hypernym of scouring; that is, cleanup is a word with a broader meaning than scouring:

scouring: the act of cleaning a surface by rubbing it with a brush and soap and water
cleanup: the act of making something clean

Other hypernyms of scouring include cleaning, cleansing.

scouring (noun)	cleanup (noun)
the act of cleaning a surface by rubbing it with a brush and soap and water	the act of making something clean
moving over territory to search for something	(baseball) the fourth position in the batting order (usually filled by the best batter on the team)
	a very large profit