percale vs fabric

percale and fabric both are nouns.

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

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

percale: a fine closely woven cotton fabric
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of percale include cloth, material, textile.

percale (noun)	fabric (noun)
a fine closely woven cotton fabric	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure