vicuna vs wool

vicuna and wool both are nouns.

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

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

vicuna: the wool of the vicuna
wool: fiber sheared from animals (such as sheep) and twisted into yarn for weaving

vicuna (noun)	wool (noun)
small wild cud-chewing Andean animal similar to the guanaco but smaller; valued for its fleecy undercoat	outer coat of especially sheep and yaks
a soft wool fabric made from the fleece of the vicuna	a fabric made from the hair of sheep
the wool of the vicuna	fiber sheared from animals (such as sheep) and twisted into yarn for weaving