chemist vs Mosander

chemist and Mosander both are nouns.

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

chemist (noun)	Mosander (noun)
a scientist who specializes in chemistry	Swedish chemist who discovered rare earth elements (1797-1858)
a health professional trained in the art of preparing and dispensing drugs