pastoral vs bucolic

pastoral and bucolic both are nouns.

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

As adjectives, pastoral and bucolic are synonyms defined as:

pastoral and bucolic: relating to shepherds or herdsmen or devoted to raising sheep or cattle

As adjectives, pastoral and bucolic are synonyms defined as:

pastoral and bucolic: (used with regard to idealized country life) idyllically rustic

Other synonyms of pastoral include arcadian.

As nouns, bucolic is a hyponym of pastoral; that is, bucolic is a word with a more specific, narrower meaning than pastoral:

pastoral: a literary work idealizing the rural life (especially the life of shepherds)
bucolic: a short poem descriptive of rural or pastoral life

Other hyponyms of pastoral include eclogue, idyl, idyll.

pastoral (noun)	bucolic (noun)
a musical composition that evokes rural life	a short poem descriptive of rural or pastoral life
a literary work idealizing the rural life (especially the life of shepherds)	a country person
a letter from a pastor to the congregation

pastoral (adjective)	bucolic (adjective)
of or relating to a pastor	relating to shepherds or herdsmen or devoted to raising sheep or cattle
relating to shepherds or herdsmen or devoted to raising sheep or cattle	(used with regard to idealized country life) idyllically rustic
(used with regard to idealized country life) idyllically rustic