pardon vs condonation

pardon and condonation both are nouns.

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

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

pardon: the act of excusing a mistake or offense
condonation: a pardon by treating the offender as if the offense had not occurred

Other hyponyms of pardon include exculpation.

pardon (noun)	condonation (noun)
the act of excusing a mistake or offense	a pardon by treating the offender as if the offense had not occurred
the formal act of liberating someone
a warrant granting release from punishment for an offense

pardon (verb)	condonation (verb)
grant a pardon to
accept an excuse for