Pronunciation: [ɐpˈɔːtəm] (IPA)
Correct spelling for the English word "APPORTUM" is [ɐpˈɔːtəm], [ɐpˈɔːtəm], [ɐ_p_ˈɔː_t_ə_m] (IPA phonetic alphabet).
Correct spelling for APPORTUM