chemist vs Richard August Carl Emil Erlenmeyer

chemist and Richard August Carl Emil Erlenmeyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Richard August Carl Emil Erlenmeyer	Yes	No	No	No

chemist (noun)	Richard August Carl Emil Erlenmeyer (noun)
a scientist who specializes in chemistry	German chemist (1825-1909)
a health professional trained in the art of preparing and dispensing drugs