Pronunciation: [d͡ʒˈɒnɒsən] (IPA)
Correct spelling for the English word "Johnosn" is [d͡ʒˈɒnɒsən], [dʒˈɒnɒsən], [dʒ_ˈɒ_n_ɒ_s_ə_n] (IPA phonetic alphabet).