Pronunciation: [ˈaɡhjuːst͡ʃə] (IPA)
Correct spelling for the English word "Agheustia" is [ˈaɡhjuːst͡ʃə], [ˈaɡhjuːstʃə], [ˈa_ɡ_h_j_uː_s_tʃ_ə] (IPA phonetic alphabet).