forgiver vs excuser

forgiver and excuser both are nouns.

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

As nouns, forgiver and excuser are synonyms defined as:

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

Other synonyms of forgiver include pardoner.

forgiver (noun)	excuser (noun)
a person who pardons or forgives or excuses a fault or offense	a person who pardons or forgives or excuses a fault or offense