Pronunciation: [fˈɔːɹɜːθ] (IPA)
Correct spelling for the English word "FORURTH" is [fˈɔːɹɜːθ], [fˈɔːɹɜːθ], [f_ˈɔː_ɹ_ɜː_θ] (IPA phonetic alphabet).
Correct spelling for FORURTH