arboriculture vs agriculture

arboriculture and agriculture both are nouns.

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

As nouns, agriculture is a hypernym of arboriculture; that is, agriculture is a word with a broader meaning than arboriculture:

Other hypernyms of arboriculture include farming, husbandry.

arboriculture (noun)	agriculture (noun)
the tending of and caring for trees	the practice of cultivating the land or raising stock
	a large-scale farming enterprise
	the class of people engaged in growing food