See also the related category germanic (german).
Erwinn is not popular as a baby name for boys. It is listed outside of the top 1000 names.
Baby names that sound like Erwinn include Erwinne, Erwyn (English), Irwin (English), Irwinn, Irwinne, Irwyn (English), Earnee, Earney, Earni, Earnie, Earny, Earwen (English), Ehren (English), Eirian (English, Gaelic, and Welsh), Eirwyn, Eran (English and Hebrew), Erin (English), Erine, Erinn, and Erinne.
† approx English pronunciation for Erwinn: ER as in "hurt (HH.ER.T)" ; W as in "we (W.IY)" ; IH as in "it (IH.T)" ; N as in "knee (N.IY)"