vocalizer vs Edith Giovanna Gassion

vocalizer and Edith Giovanna Gassion both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocalizer	Yes	No	No	No
Edith Giovanna Gassion	Yes	No	No	No

vocalizer (noun)	Edith Giovanna Gassion (noun)
a person who sings	French cabaret singer (1915-1963)
an organism that can utter vocal sounds