Pronunciation: [mˈə͡ʊst kˈɒntɐkt͡ʃˌuːə͡l] (IPA)
Correct spelling for the English word "most contactual" is [mˈə͡ʊst kˈɒntɐkt͡ʃˌuːə͡l], [mˈəʊst kˈɒntɐktʃˌuːəl], [m_ˈəʊ_s_t k_ˈɒ_n_t_ɐ_k_tʃ_ˌuː_əl] (IPA phonetic alphabet).