Johnny Cash vs vocalizer

Johnny Cash and vocalizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Johnny Cash	Yes	No	No	No
vocalizer	Yes	No	No	No

Johnny Cash (noun)	vocalizer (noun)
United States country music singer and songwriter (1932-2003)	a person who sings
	an organism that can utter vocal sounds