gagwriter vs author

gagwriter and author both are nouns.

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

As nouns, author is a hypernym of gagwriter; that is, author is a word with a broader meaning than gagwriter:

gagwriter: someone who writes comic material for public performers
author: writes (books or stories or articles or the like) professionally (for pay)

Other hypernyms of gagwriter include writer.

gagwriter (noun)	author (noun)
someone who writes comic material for public performers	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

gagwriter (verb)	author (verb)
	be the author of