geology vs sedimentary

geology is a noun but sedimentary is not a noun.

Word	Noun	Adjective	Verb	Adverb
geology	Yes	No	No	No
sedimentary	No	Yes	No	No

geology (noun)	sedimentary (noun)
a science that deals with the history of the earth as recorded in rocks

geology (adjective)	sedimentary (adjective)
	produced by the action of water
	resembling or containing or formed by the accumulation of sediment