A form of Osias is the name Osyas.
Osias is not widely used as a baby name for boys. It is not in the top 1000 names.
Baby names that sound like Osias include Oakea, Ojea, Osakwe (African), Osakwey, Osakwie, Osaze, Osazee, Osazey, Osazi, Osazie, Osazy, Osei (African and Fante), Osías (Spanish), Ozias, Ozielle, Okechuku (African), Osakwea, Osakwee, Osazea, and Oachs.
† approx English pronunciation for Osias: OW as in "oak (OW.K)" ; S as in "see (S.IY)" ; IY as in "eat (IY.T)" ; AH as in "mud (M.AH.D)" ; Z as in "zoo (Z.UW)"