author vs Mitford

author and Mitford both are nouns.

Word	Noun	Adjective	Verb	Adverb
author	Yes	No	Yes	No
Mitford	Yes	No	No	No

author (noun)	Mitford (noun)
writes (books or stories or articles or the like) professionally (for pay)	English writer of comic novels (1904-1973)
someone who originates or causes or initiates something	United States writer (born in England) who wrote on American culture (1917-1996)

author (verb)	Mitford (verb)
be the author of