See also the related category greek.
Yeffim is not often used as a baby boy name. It is not in the top 1000 names.
Baby names that sound like Yeffim include Yavin (Hebrew), Yavine, Yavneh (Hebrew), Yavyn, Yavyne, Yeffem, Yefim (Russian), Yephem, Yephim, Jabyn, JaVaughn, Javaughn (English), Javonne, Jovonn, Yevheniy (Ukrainian), Japana (Indian), Javone, Javoney, Jovone, and Jovonni.
† approx English pronunciation for Yeffim: Y as in "you (Y.UW)" ; EH as in "ebb (EH.B)" ; F as in "fee (F.IY)" ; IY as in "eat (IY.T)" ; M as in "me (M.IY)"