Pronunciation: [d͡ʒˈa͡ɪ͡əts] (IPA)
Correct spelling for the English word "gietz" is [d͡ʒˈa͡ɪ͡əts], [dʒˈaɪəts], [dʒ_ˈaɪə_t_s] (IPA phonetic alphabet).