Lord Todd vs chemist

Lord Todd and chemist both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lord Todd	Yes	No	No	No
chemist	Yes	No	No	No

Lord Todd (noun)	chemist (noun)
Scottish chemist noted for his research into the structure of nucleic acids (born in 1907)	a scientist who specializes in chemistry
	a health professional trained in the art of preparing and dispensing drugs