pepper-and-salt vs textile

pepper-and-salt and textile both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepper-and-salt	Yes	No	No	No
textile	Yes	Yes	No	No

As nouns, textile is a hypernym of pepper-and-salt; that is, textile is a word with a broader meaning than pepper-and-salt:

pepper-and-salt: a fabric woven with flecks of light and dark
textile: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of pepper-and-salt include cloth, fabric, material.

pepper-and-salt (noun)	textile (noun)
a fabric woven with flecks of light and dark	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

pepper-and-salt (adjective)	textile (adjective)
	of or relating to fabrics or fabric making