Sir Harold Walter Kroto vs chemist

Sir Harold Walter Kroto and chemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir Harold Walter Kroto	Yes	No	No	No
chemist	Yes	No	No	No

Sir Harold Walter Kroto (noun)	chemist (noun)
British chemist who with Robert Curl and Richard Smalley discovered fullerenes and opened a new branch of chemistry (born in 1939)	a scientist who specializes in chemistry
	a health professional trained in the art of preparing and dispensing drugs