excuser vs pardoner

excuser and pardoner both are nouns.

Word	Noun	Adjective	Verb	Adverb
excuser	Yes	No	No	No
pardoner	Yes	No	No	No

As nouns, excuser and pardoner are synonyms defined as:

excuser and pardoner: a person who pardons or forgives or excuses a fault or offense

Other synonyms of excuser include forgiver.

excuser (noun)	pardoner (noun)
a person who pardons or forgives or excuses a fault or offense	a medieval cleric who raised money for the church by selling papal indulgences
	a person who pardons or forgives or excuses a fault or offense