author vs Miller

author and Miller both are nouns.

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

author (noun)	Miller (noun)
writes (books or stories or articles or the like) professionally (for pay)	United States playwright (1915-2005)
someone who originates or causes or initiates something	United States novelist whose novels were originally banned as pornographic (1891-1980)
	United States bandleader of a popular big band (1909-1944)

author (verb)	Miller (verb)
be the author of