Renai is a variation of Ren.
Renai is also a variation of Renée (English and French).
Renai is not regularly used as a baby name for girls. It is listed outside of the top 1000 names.
Baby names that sound like Renai include Reni (German), Rennie (English), Renny, Wrenny, Raanee, Raeann (English), Raheem, Rahma (African and Swahili), Rahnee, Rahni, Rahny, Raiann, Raianne, Raina (Slavic, Czech, English, German, Polish, and Russian), Rainee, Rainey (English), Raini (English), Rainie (English), Rainy (English), and Rama (Hebrew and Indian).
† approx English pronunciation for Renai: R as in "race (R.EY.S)" ; EH as in "ebb (EH.B)" ; N as in "knee (N.IY)" ; IY as in "eat (IY.T)"