idyl vs pastoral

idyl and pastoral both are nouns.

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

As nouns, pastoral is a hypernym of idyl; that is, pastoral is a word with a broader meaning than idyl:

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

As nouns, idyl and pastoral are synonyms defined as:

Other synonyms of idyl include idyll, pastorale.

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

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