bathing vs cleanup

bathing and cleanup both are nouns.

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

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

Other hypernyms of bathing include cleaning, cleansing, lavation, wash, washing.

bathing (noun)	cleanup (noun)
immersing the body in water or sunshine	the act of making something clean
the act of washing yourself (or another person)	(baseball) the fourth position in the batting order (usually filled by the best batter on the team)
	a very large profit