wool vs fleece

wool and fleece both are nouns.

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

As nouns, wool and fleece are synonyms defined as:

As nouns, fleece is a hyponym of wool; that is, fleece is a word with a more specific, narrower meaning than wool:

wool: fiber sheared from animals (such as sheep) and twisted into yarn for weaving
fleece: the wool of a sheep or similar animal

Other hyponyms of wool include Shetland wool, raw wool, alpaca, cashmere, shoddy, vicuna, virgin wool.

wool (noun)	fleece (noun)
outer coat of especially sheep and yaks	outer coat of especially sheep and yaks
a fabric made from the hair of sheep	a soft bulky fabric with deep pile; used chiefly for clothing
fiber sheared from animals (such as sheep) and twisted into yarn for weaving	the wool of a sheep or similar animal
	tanned skin of a sheep with the fleece left on; used for clothing

wool (verb)	fleece (verb)
	shear the wool from
	rip off; ask an unreasonable price