haircloth vs cloth

haircloth and cloth both are nouns.

Word	Noun	Adjective	Verb	Adverb
haircloth	Yes	No	No	No
cloth	Yes	No	No	No

As nouns, cloth is a hypernym of haircloth; that is, cloth is a word with a broader meaning than haircloth:

haircloth: cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments
cloth: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of haircloth include fabric, material, textile.

haircloth (noun)	cloth (noun)
cloth woven from horsehair or camelhair; used for upholstery or stiffening in garments	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers