book cloth vs cloth

book cloth and cloth both are nouns.

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

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

book cloth: a woven fabric (usually cotton) used for book covers.
cloth: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of book cloth include fabric, material, textile.

book cloth (noun)	cloth (noun)
a woven fabric (usually cotton) used for book covers.	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers