chemist vs Svante August Arrhenius

chemist and Svante August Arrhenius both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Svante August Arrhenius	Yes	No	No	No

chemist (noun)	Svante August Arrhenius (noun)
a scientist who specializes in chemistry	Swedish chemist and physicist noted for his theory of chemical dissociation (1859-1927)
a health professional trained in the art of preparing and dispensing drugs