There are various synonyms for the phrase "crime of passion," which refers to a violent crime committed in the heat of intense emotion, usually romantic or sexual. Some of the most common synonyms include "crimes of passion," "crimes of amor," "crime passionnel," "spousal homicide," "romantic murder," and "honor killing." These terms are often used to describe an act of violence committed by an individual who has been provoked or offended by their spouse or partner. Despite the emotional nature of these crimes, it is important to remember that violent behavior is always unacceptable and should be condemned.