Chopin vs author

Chopin and author both are nouns.

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

Chopin (noun)	author (noun)
the music of Chopin	writes (books or stories or articles or the like) professionally (for pay)
French composer (born in Poland) and pianist of the romantic school (1810-1849)	someone who originates or causes or initiates something
United States writer who described Creole life in Louisiana (1851-1904)

Chopin (verb)	author (verb)
	be the author of