animal skin vs pelt

animal skin and pelt both are nouns.

Word	Noun	Adjective	Verb	Adverb
animal skin	Yes	No	No	No
pelt	Yes	No	Yes	No

As nouns, pelt is a hyponym of animal skin; that is, pelt is a word with a more specific, narrower meaning than animal skin:

Other hyponyms of animal skin include lambskin, parchment, sheepskin, fell, hide, leather, fur.

animal skin (noun)	pelt (noun)
the outer covering of an animal	body covering of a living animal
	the dressed hairy coat of a mammal

animal skin (verb)	pelt (verb)
	attack and bombard with or as if with missiles
	cast, hurl, or throw repeatedly with some missile
	rain heavily