abstractor vs author

abstractor and author both are nouns.

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

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

abstractor: one who makes abstracts or summarizes information
author: writes (books or stories or articles or the like) professionally (for pay)

Other hypernyms of abstractor include writer.

abstractor (noun)	author (noun)
one who makes abstracts or summarizes information	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

abstractor (verb)	author (verb)
	be the author of