Carnal embrace refers specifically to a physical and sexual act of intimacy between two individuals. There are many synonyms for this expression including physical love, amorous embrace, and sexual union. Other possible synonyms might include passionate embrace, intimate connection, and sensual encounter. Ultimately, the exact synonym that is most appropriate will depend on the specific context and tone of the writing or conversation. It is important to choose a synonym that accurately conveys the intended meaning and is respectful to all parties involved.