Bunyan vs author

Bunyan and author both are nouns.

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

Bunyan (noun)	author (noun)
a legendary giant lumberjack of the north woods of the United States and Canada	writes (books or stories or articles or the like) professionally (for pay)
English preacher and author of an allegorical novel, Pilgrim's Progress (1628-1688)	someone who originates or causes or initiates something

Bunyan (verb)	author (verb)
	be the author of