Pronunciation: [ˈɛstjuːəns] (IPA)
Correct spelling for the English word "Estuance" is [ˈɛstjuːəns], [ˈɛstjuːəns], [ˈɛ_s_t_j_uː_ə_n_s] (IPA phonetic alphabet).
Correct spelling for Estuance