Jons Jakob Berzelius vs chemist

Jons Jakob Berzelius and chemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jons Jakob Berzelius	Yes	No	No	No
chemist	Yes	No	No	No

Jons Jakob Berzelius (noun)	chemist (noun)
Swedish chemist who discovered three new elements and determined the atomic weights of many others (1779-1848)	a scientist who specializes in chemistry
	a health professional trained in the art of preparing and dispensing drugs