forgive vs pardon

forgive is not a noun while pardon is a noun.

Word	Noun	Adjective	Verb	Adverb
forgive	No	No	Yes	No
pardon	Yes	No	Yes	No

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

Other hyponyms of forgive include condone, excuse, absolve, free, absolve, shrive, remit, excuse.

forgive (noun)	pardon (noun)
	the act of excusing a mistake or offense
	the formal act of liberating someone
	a warrant granting release from punishment for an offense

forgive (verb)	pardon (verb)
stop blaming or grant forgiveness	grant a pardon to
absolve from payment	accept an excuse for