rain vs pelt

rain and pelt both are nouns.

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

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

rain (noun)	pelt (noun)
anything happening rapidly or in quick successive	body covering of a living animal
water falling in drops from vapor condensed in the atmosphere	the dressed hairy coat of a mammal
drops of fresh water that fall as precipitation from clouds

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