Pronunciation: [fɔːsˈɛɪŋ] (IPA)
Correct spelling for the English word "forsing" is [fɔːsˈɛɪŋ], [fɔːsˈɛɪŋ], [f_ɔː_s_ˈɛ_ɪ_ŋ] (IPA phonetic alphabet).