dithyramb vs hymn

dithyramb and hymn both are nouns.

Word	Noun	Adjective	Verb	Adverb
dithyramb	Yes	No	No	No
hymn	Yes	No	Yes	No

As nouns, hymn is a hypernym of dithyramb; that is, hymn is a word with a broader meaning than dithyramb:

dithyramb: (ancient Greece) a passionate hymn (usually in honor of Dionysus)
hymn: a song of praise (to God or to a saint or to a nation)

Other hypernyms of dithyramb include anthem.

dithyramb (noun)	hymn (noun)
(ancient Greece) a passionate hymn (usually in honor of Dionysus)	a song of praise (to God or to a saint or to a nation)
a wildly enthusiastic speech or piece of writing

dithyramb (verb)	hymn (verb)
	praise by singing a hymn
	sing a hymn