horsehair vs fabric

horsehair and fabric both are nouns.

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

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

horsehair: a fabric made from fibers taken from the mane or tail of horses; used for upholstery
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of horsehair include cloth, material, textile.

horsehair (noun)	fabric (noun)
a fabric made from fibers taken from the mane or tail of horses; used for upholstery	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
hair taken from the mane or tail of a horse	the underlying structure