See also the related category greek.
Orthea is rarely used as a baby name for girls. It is not listed in the top 1000 names.
Baby names that sound like Orthea include Oraida, Oreta, Oretta, Oritha, Ortheah, Orthiah, Orthiya, Orthiyah, Orytha, Ardea (Greek), Ardisa, Ardita (Albanian), Ardyssa, Aretta (English), Arthea, Arytha, Aurita, Euridice (French), Iratza, and Iratzee.
† approx English pronunciation for Orthea: AO as in "ought (AO.T)" ; R as in "race (R.EY.S)" ; DH as in "they (DH.EY)" ; IY as in "eat (IY.T)" ; AH as in "mud (M.AH.D)"