There are various synonyms for the phrase "lived as man and wife." Some of the common options include cohabitation, domestic partnership, common-law marriage, and living together. Couples who live as man and wife but are not legally married can be described as being in a de facto relationship. In some cultures and religions, the term "husband and wife" may be used instead of "man and wife." Other phrases that can be used to describe a couple living together include being in a committed relationship or simply sharing a home. Whatever term is used, it is important to remember that all relationships are unique and should be respected.