Pronunciation: [ɪnsˌɒnɪkˈe͡ɪʃən] (IPA)
Correct spelling for the English word "insonication" is [ɪnsˌɒnɪkˈe͡ɪʃən], [ɪnsˌɒnɪkˈeɪʃən], [ɪ_n_s_ˌɒ_n_ɪ_k_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).
Correct spelling for insonication