chemist vs Calvin

chemist and Calvin both are nouns.

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

chemist (noun)	Calvin (noun)
a scientist who specializes in chemistry	Swiss theologian (born in France) whose tenets (predestination and the irresistibility of grace and justification by faith) defined Presbyterianism (1509-1564)
a health professional trained in the art of preparing and dispensing drugs	United States chemist noted for discovering the series of chemical reactions in photosynthesis (1911-)