Muller vs chemist

Muller and chemist both are nouns.

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

Muller (noun)	chemist (noun)
United States geneticist who studied the effects of X-rays on genes (1890-1967)	a scientist who specializes in chemistry
British philologist (born in Germany) who specialized in Sanskrit (1823-1900)	a health professional trained in the art of preparing and dispensing drugs
German mathematician and astronomer (1436-1476)
German physiologist and anatomist (1801-1858)
Swiss physicist who studied superconductivity (born in 1927)
Swiss chemist who synthesized DDT and discovered its use as an insecticide (1899-1965)