auctorial vs author

auctorial is not a noun while author is a noun.

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

auctorial (noun)	author (noun)
	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

auctorial (adjective)	author (adjective)
of or by or typical of an author

auctorial (verb)	author (verb)
	be the author of