Affair of honor is a term that often refers to a personal matter of dispute that can only be resolved through a duel or other traditional forms of combat. However, this term has evolved over time and today, there are various synonyms that can be used to describe it. Some of the words that can be used to refer to an "affair of honor" include "personal quarrel," "dispute," "contest," "disagreement," "conflict," and "wrangle." Depending on the context in which the term is used, these synonyms can help to better describe the situation or relationship between the parties involved in the affair.