Pronunciation: [dˈe͡ɪɒnət] (IPA)
Correct spelling for the English word "deionate" is [dˈe͡ɪɒnət], [dˈeɪɒnət], [d_ˈeɪ_ɒ_n_ə_t] (IPA phonetic alphabet).
Correct spelling for deionate