pelt vs sealskin

pelt and sealskin both are nouns.

Word	Noun	Adjective	Verb	Adverb
pelt	Yes	No	Yes	No
sealskin	Yes	No	No	No

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

pelt (noun)	sealskin (noun)
body covering of a living animal	a garment (as a jacket or coat or robe) made of sealskin
the dressed hairy coat of a mammal	the pelt or fur (especially the underfur) of a seal

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