pocket edition vs paperback

pocket edition and paperback both are nouns.

Word	Noun	Adjective	Verb	Adverb
pocket edition	Yes	No	No	No
paperback	Yes	Yes	No	No

As nouns, paperback is a hypernym of pocket edition; that is, paperback is a word with a broader meaning than pocket edition:

Other hypernyms of pocket edition include paper-back book, paperback book, soft-cover, soft-cover book, softback, softback book.

pocket edition (noun)	paperback (noun)
pocket-sized paperback book	a book with paper covers

pocket edition (adjective)	paperback (adjective)
	(of books) having a flexible binding