tenor vs vocalizer

tenor and vocalizer both are nouns.

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

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

Other hypernyms of tenor include singer, vocaliser, vocalist.

tenor (noun)	vocalizer (noun)
the pitch range of the highest male voice	a person who sings
the general meaning or substance of an utterance	an organism that can utter vocal sounds
a settled or prevailing or habitual course of a person's life
the adult male singing voice above baritone
an adult male with a tenor voice

tenor (adjective)	vocalizer (adjective)
of or close in range to the highest natural adult male voice
(of a musical instrument) intermediate between alto and baritone or bass