agriculture vs cultivate

agriculture is a noun but cultivate is not a noun.

Word	Noun	Adjective	Verb	Adverb
agriculture	Yes	No	No	No
cultivate	No	No	Yes	No

agriculture (noun)	cultivate (noun)
the practice of cultivating the land or raising stock
a large-scale farming enterprise
the class of people engaged in growing food

agriculture (verb)	cultivate (verb)
	adapt (a wild plant or unclaimed land) to the environment
	prepare for crops
	teach or refine to be discriminative in taste or judgment
	promote the growth of