Pronunciation: [fˈɔːðɪsə͡l] (IPA)
Correct spelling for the English word "FORTHIESL" is [fˈɔːðɪsə͡l], [fˈɔːðɪsəl], [f_ˈɔː_ð_ɪ_s_əl] (IPA phonetic alphabet).
Correct spelling for FORTHIESL