Pronunciation: [d͡ʒˈə͡ʊhɒnə] (IPA)
Correct spelling for the English word "Johonna" is [d͡ʒˈə͡ʊhɒnə], [dʒˈəʊhɒnə], [dʒ_ˈəʊ_h_ɒ_n_ə] (IPA phonetic alphabet).