lover [lovers](one who loves another person)
noun
[UK: ˈlʌv.ə(r)] [US: ˈlʌv.r̩] mistress [mistresses](woman in extramarital relationship)
noun
[UK: ˈmɪ.strɪs] [US: ˈmɪ.strəs] paramour [paramours](illicit lover)
noun
[UK: ˈpæ.rə.mʊə(r)] [US: ˈpæ.rə.mʊər] | 