Pronunciation: [pɹɪfjˈuːz] (IPA)
Correct spelling for the English word "PREFUSE" is [pɹɪfjˈuːz], [pɹɪfjˈuːz], [p_ɹ_ɪ_f_j_ˈuː_z] (IPA phonetic alphabet).
Correct spelling for PREFUSE