Graves vs author

Graves and author both are nouns.

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

Graves (noun)	author (noun)
English writer known for his interest in mythology and in the classics (1895-1985)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

Graves (verb)	author (verb)
	be the author of