cleanup vs cleaning

cleanup and cleaning both are nouns.

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

As nouns, cleanup and cleaning are synonyms defined as:

Other synonyms of cleanup include cleansing.

cleanup (noun)	cleaning (noun)
the act of making something clean	the act of making something clean
(baseball) the fourth position in the batting order (usually filled by the best batter on the team)
a very large profit