Pronunciation: [nˈɔːðən lˈa͡ɪtsiɪz] (IPA)
Correct spelling for the English word "northern lightses" is [nˈɔːðən lˈa͡ɪtsiɪz], [nˈɔːðən lˈaɪtsiɪz], [n_ˈɔː_ð_ə_n l_ˈaɪ_t_s_i__ɪ_z] (IPA phonetic alphabet).