agriculture vs factory farm

agriculture and factory farm both are nouns.

Word	Noun	Adjective	Verb	Adverb
agriculture	Yes	No	No	No
factory farm	Yes	No	No	No

As nouns, agriculture and factory farm are synonyms defined as:

Other synonyms of agriculture include agribusiness.

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