author vs Bellow

author and Bellow both are nouns.

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

author (noun)	Bellow (noun)
writes (books or stories or articles or the like) professionally (for pay)	United States author (born in Canada) whose novels influenced American literature after World War II (1915-2005)
someone who originates or causes or initiates something

author (verb)	Bellow (verb)
be the author of