chemist vs Buchner

chemist and Buchner both are nouns.

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

chemist (noun)	Buchner (noun)
a scientist who specializes in chemistry	German organic chemist who studied alcoholic fermentation and discovered zymase (1860-1917)
a health professional trained in the art of preparing and dispensing drugs