baritone vs vocalizer

baritone and vocalizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
baritone	Yes	Yes	No	No
vocalizer	Yes	No	No	No

As nouns, vocalizer is a hypernym of baritone; that is, vocalizer is a word with a broader meaning than baritone:

Other hypernyms of baritone include singer, vocaliser, vocalist.

baritone (noun)	vocalizer (noun)
the second lowest brass wind instrument	a person who sings
the second lowest adult male singing voice	an organism that can utter vocal sounds
a male singer

baritone (adjective)	vocalizer (adjective)
lower in range than tenor and higher than bass