Beynish is a variation (Hebrew) of Baruch (Greek and Hebrew).
Beynish is also a variation (Yiddish) of Benedict (English).
See also the related form, Benes (Czech).
Beynish is not often used as a baby boy name. It is listed outside of the top 1000. In 2018, within the family of boy names directly related to Beynish, Benedict was the most frequently used.
Baby names that sound like Beynish include Bajnoc, Bajnock, Bajnok, Banga, Banjo, Banjoe, Banky, Banna, Banning, Bannoc, Bannoch, Bannock, Bannok, Bannyng, Bansea, Bansee, Bansey, Bansi, Bansie, and Bansy.
† approx English pronunciation for Beynish: B as in "be (B.IY)" ; EY as in "ate (EY.T)" ; N as in "knee (N.IY)" ; IH as in "it (IH.T)" ; SH as in "she (SH.IY)"