Velcro vs fabric

Velcro and fabric both are nouns.

Word	Noun	Adjective	Verb	Adverb
Velcro	Yes	No	No	No
fabric	Yes	No	No	No

As nouns, fabric is a hypernym of Velcro; that is, fabric is a word with a broader meaning than Velcro:

Velcro: nylon fabric used as a fastening
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of Velcro include cloth, material, textile.

Velcro (noun)	fabric (noun)
nylon fabric used as a fastening	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure