A variant transcription of Osa is Ossa (Bini).
Osa is unusual as a baby girl name. Its usage peaked modestly in 1904 with 0.006% of baby girls being given the name Osa. It was #901 in rank then. The baby name has experienced a drop in popularity since then, and is of only very light use now. Among all girl names in its family, Osa was nonetheless the most widely used in 2012.
Baby names that sound like Osa include Ocie (English), Oia, Oka (English), Okei, Okey, Oki (Japanese), Okie, Oky, Olka (Russian), Osann, Osanne, Osey, Osha, Oshah, Ouka (Japanese), Aukje (Dutch), Oisinne, Osaka, Osakee, and Osakey.
† English pronunciation for Osa: OW as in "oak (OW.K)" ; S as in "see (S.IY)" ; AA as in "odd (AA.D)"