anthem vs canticle

anthem and canticle both are nouns.

Word	Noun	Adjective	Verb	Adverb
anthem	Yes	No	No	No
canticle	Yes	No	No	No

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

Other hyponyms of anthem include dithyramb, doxology, choral, chorale, hymeneal, paean, pean, recessional.

anthem (noun)	canticle (noun)
a song of praise (to God or to a saint or to a nation)	a hymn derived from the Bible
a song of devotion or loyalty (as to a nation or school)