Wilder vs author

Wilder and author both are nouns.

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

Wilder (noun)	author (noun)
United States filmmaker (born in Austria) whose dark humor infused many of the films he made (1906-2002)	writes (books or stories or articles or the like) professionally (for pay)
United States writer and dramatist (1897-1975)	someone who originates or causes or initiates something

Wilder (verb)	author (verb)
	be the author of