pamphleteer vs author

pamphleteer and author both are nouns.

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

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

pamphleteer: a writer of pamphlets (usually taking a partisan stand on public issues)
author: writes (books or stories or articles or the like) professionally (for pay)

Other hypernyms of pamphleteer include writer.

pamphleteer (noun)	author (noun)
a writer of pamphlets (usually taking a partisan stand on public issues)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

pamphleteer (verb)	author (verb)
	be the author of