Dumas vs author

Dumas and author both are nouns.

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

Dumas (noun)	author (noun)
French writer remembered for his swashbuckling historical tales (1802-1870)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

Dumas (verb)	author (verb)
	be the author of