Mitchell vs author

Mitchell and author both are nouns.

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

Mitchell (noun)	author (noun)
United States dancer who formed the first Black classical ballet company (born in 1934)	writes (books or stories or articles or the like) professionally (for pay)
United States labor leader; president of the United Mine Workers of America from 1898 to 1908 (1870-1919)	someone who originates or causes or initiates something
United States writer noted for her novel about the South during the American Civil War (1900-1949)
United States astronomer who studied sunspots and nebulae (1818-1889)
United States aviator and general who was an early advocate of military air power (1879-1936)
English aeronautical engineer (1895-1937)

Mitchell (verb)	author (verb)
	be the author of