author vs Haley

author and Haley both are nouns.

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

author (noun)	Haley (noun)
writes (books or stories or articles or the like) professionally (for pay)	United States writer and Afro-American who wrote a fictionalized account of tracing his family roots back to Africa (1921-1992)
someone who originates or causes or initiates something	United States rock singer who was one of the first to popularize rock'n'roll music (1925-1981)

author (verb)	Haley (verb)
be the author of