shirting vs fabric

shirting and fabric both are nouns.

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

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

shirting: any of various fabrics used to make men's shirts
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of shirting include cloth, material, textile.

shirting (noun)	fabric (noun)
any of various fabrics used to make men's shirts	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure