basso vs vocalizer

basso and vocalizer both are nouns.

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

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

Other hypernyms of basso include singer, vocaliser, vocalist.

basso (noun)	vocalizer (noun)
the lowest adult male singing voice	a person who sings
an adult male singer with the lowest voice	an organism that can utter vocal sounds