Pronunciation: [səpˈɔːte͡ɪbə͡l] (IPA)
Correct spelling for the English word "supportabel" is [səpˈɔːte͡ɪbə͡l], [səpˈɔːteɪbəl], [s_ə_p_ˈɔː_t_eɪ_b_əl] (IPA phonetic alphabet).
Correct spelling for supportabel