vocalizer vs B. B. King

vocalizer and B. B. King both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocalizer	Yes	No	No	No
B. B. King	Yes	No	No	No

vocalizer (noun)	B. B. King (noun)
a person who sings	United States guitar player and singer of the blues (born in 1925)
an organism that can utter vocal sounds