User blog comment:Sokatsui/Artemis' Future?/@comment-2171446-20121023014445/@comment-4928331-20121024055337

No need to call Mr. Kaput. Both terms are functionally synonyms. However there is a subtle difference in connotation. When you take revenge, usually you're not the guy who was wronged. Maybe it's for your friend, your dog, your sister. When you take vengeance, you're doing it for yourself.