wool vs cloth

wool and cloth both are nouns.

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

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

wool: a fabric made from the hair of sheep
cloth: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of wool include fabric, material, textile.

wool (noun)	cloth (noun)
outer coat of especially sheep and yaks	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
a fabric made from the hair of sheep
fiber sheared from animals (such as sheep) and twisted into yarn for weaving