towelling vs fabric

towelling and fabric both are nouns.

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

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

towelling: any of various fabrics (linen or cotton) used to make towels
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of towelling include cloth, material, textile.

towelling (noun)	fabric (noun)
any of various fabrics (linen or cotton) used to make towels	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure