See also the related category luminous (bright).
Sidera is rare as a baby girl name. It is not listed in the top 1000.
Baby names that sound like Sidera include Siderra, Sydera, Syderra, Sadeara, Sadiera, Sadira, Sadirah, Sadirra, Sadyra, Sadyrah, Satara, Satarah, Shadrika, Shaterra, Shatora, Sheatara, Sitara, Sitarah, Sithara, and Sotera.
† approx English pronunciation for Sidera: S as in "see (S.IY)" ; AY as in "side (S.AY.D)" ; D as in "day (D.EY)" ; EH as in "ebb (EH.B)" ; R as in "race (R.EY.S)" ; AH as in "mud (M.AH.D)"