See also the related category hebrew.
Ethama is not commonly used as a baby girl name. It is not in the top 1000 names.
Baby names that sound like Ethama include Edana (Latinized), Edeena, Edmea (Italian), Edona (French), Edrina, Edweena (English), Edwenna, Edwinna, Edwyna (English), Edwynna, Edyna, Etaina, Etena, Ethanah, Ethena, Ethnea, Adanah, Adannah, Adanyah, and Adyma.
† approx English pronunciation for Ethama: EH as in "ebb (EH.B)" ; TH as in "theme (TH.IY.M)" ; AA as in "odd (AA.D)" ; M as in "me (M.IY)" ; AH as in "mud (M.AH.D)"