Pronunciation: [mˌaskjʊlˈe͡ɪʃən] (IPA)
Correct spelling for the English word "masculation" is [mˌaskjʊlˈe͡ɪʃən], [mˌaskjʊlˈeɪʃən], [m_ˌa_s_k_j_ʊ_l_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).