Pronunciation: [lˈɪŋɡwɪstˌɪksɪz] (IPA)
Correct spelling for the English word "linguisticses" is [lˈɪŋɡwɪstˌɪksɪz], [lˈɪŋɡwɪstˌɪksɪz], [l_ˈɪ_ŋ_ɡ_w_ɪ_s_t_ˌɪ_k_s_ɪ_z] (IPA phonetic alphabet).