physicist vs Volta

physicist and Volta both are nouns.

Word	Noun	Adjective	Verb	Adverb
physicist	Yes	No	No	No
Volta	Yes	No	No	No

physicist (noun)	Volta (noun)
a scientist trained in physics	a river in Ghana that flows south to the Bight of Benin
	Italian physicist after whom the volt is named; studied electric currents and invented the voltaic pile (1745-1827)