sharkskin vs fabric

sharkskin and fabric both are nouns.

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

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

sharkskin: a smooth crisp fabric
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of sharkskin include cloth, material, textile.

sharkskin (noun)	fabric (noun)
a smooth crisp fabric	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure