chemist vs Onsager

chemist and Onsager both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Onsager	Yes	No	No	No

chemist (noun)	Onsager (noun)
a scientist who specializes in chemistry	United States chemist (born in Norway) noted for his work in thermodynamics (1903-1976)
a health professional trained in the art of preparing and dispensing drugs