vocal vs anthem

vocal and anthem both are nouns.

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

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

vocal (noun)	anthem (noun)
music intended to be performed by one or more singers, usually with instrumental accompaniment	a song of praise (to God or to a saint or to a nation)
a short musical composition with words	a song of devotion or loyalty (as to a nation or school)

vocal (adjective)	anthem (adjective)
having or using the power to produce speech or sound
relating to or designed for or using the singing voice
given to expressing yourself freely or insistently
full of the sound of voices