fertilise vs agriculture

fertilise is not a noun while agriculture is a noun.

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

fertilise (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

fertilise (verb)	agriculture (verb)
introduce semen into (a female)
provide with fertilizers or add nutrients to
make fertile or productive