monoclinal vs geology

monoclinal is not a noun while geology is a noun.

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

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

monoclinal (adjective)	geology (adjective)
of a geological structure in which all strata are inclined in the same direction