hymn vs hymeneal

hymn and hymeneal both are nouns.

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

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

Other hyponyms of hymn include dithyramb, doxology, choral, chorale, canticle, paean, pean, recessional.

hymn (noun)	hymeneal (noun)
a song of praise (to God or to a saint or to a nation)	a wedding hymn

hymn (adjective)	hymeneal (adjective)
	of or relating to a wedding or marriage

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