chemist vs Muller

chemist and Muller both are nouns.

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

chemist (noun)	Muller (noun)
a scientist who specializes in chemistry	United States geneticist who studied the effects of X-rays on genes (1890-1967)
a health professional trained in the art of preparing and dispensing drugs	British philologist (born in Germany) who specialized in Sanskrit (1823-1900)
	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)