agriculture vs harvest

agriculture and harvest both are nouns.

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

agriculture (noun)	harvest (noun)
the practice of cultivating the land or raising stock	the season for gathering crops
a large-scale farming enterprise	the gathering of a ripened crop
the class of people engaged in growing food	the consequence of an effort or activity
	the yield from plants in a single growing season

agriculture (verb)	harvest (verb)
	remove from a culture or a living or dead body, as for the purposes of transplantation
	gather, as of natural products