Pronunciation: [ɹˌatɪkˈɒsɪnˌe͡ɪtə] (IPA)
Correct spelling for the English word "raticocinator" is [ɹˌatɪkˈɒsɪnˌe͡ɪtə], [ɹˌatɪkˈɒsɪnˌeɪtə], [ɹ_ˌa_t_ɪ_k_ˈɒ_s_ɪ_n_ˌeɪ_t_ə] (IPA phonetic alphabet).