William Styron vs author

William Styron and author both are nouns.

Word	Noun	Adjective	Verb	Adverb
William Styron	Yes	No	No	No
author	Yes	No	Yes	No

William Styron (noun)	author (noun)
United States writer best known for his novels (born in 1925)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

William Styron (verb)	author (verb)
	be the author of