wrapping paper vs kraft

wrapping paper and kraft both are nouns.

Word	Noun	Adjective	Verb	Adverb
wrapping paper	Yes	No	No	No
kraft	Yes	No	No	No

As nouns, kraft is a hyponym of wrapping paper; that is, kraft is a word with a more specific, narrower meaning than wrapping paper:

wrapping paper: a tough paper used for wrapping
kraft: strong wrapping paper made from pulp processed with a sulfur solution

Other hyponyms of wrapping paper include kraft paper, butcher paper, gift wrap.

wrapping paper (noun)	kraft (noun)
a tough paper used for wrapping	strong wrapping paper made from pulp processed with a sulfur solution