cultivate vs agriculture

cultivate is not a noun while agriculture is a noun.

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

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

cultivate (verb)	agriculture (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