Pronunciation: [ɛtsˈɒstɪk] (IPA)
Correct spelling for the English word "Etsostic" is [ɛtsˈɒstɪk], [ɛtsˈɒstɪk], [ɛ_t_s_ˈɒ_s_t_ɪ_k] (IPA phonetic alphabet).
Correct spelling for Etsostic