rural vs bucolic

rural is not a noun while bucolic is a noun.

Word	Noun	Adjective	Verb	Adverb
rural	No	Yes	No	No
bucolic	Yes	Yes	No	No

rural (noun)	bucolic (noun)
	a short poem descriptive of rural or pastoral life
	a country person

rural (adjective)	bucolic (adjective)
of or relating to the countryside as opposed to the city; living in or characteristic of farming or country life; living in or characteristic of farming or country life	relating to shepherds or herdsmen or devoted to raising sheep or cattle
	(used with regard to idealized country life) idyllically rustic