Pronunciation: [ˈe͡ɪtə͡ʊz] (IPA)
Correct spelling for the English word "ATEOSE" is [ˈe͡ɪtə͡ʊz], [ˈeɪtəʊz], [ˈeɪ_t_əʊ_z] (IPA phonetic alphabet).
Correct spelling for ATEOSE