cleanup vs dry cleaning

cleanup and dry cleaning both are nouns.

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

As nouns, dry cleaning is a hyponym of cleanup; that is, dry cleaning is a word with a more specific, narrower meaning than cleanup:

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