Pronunciation: [sˈɛndɒfɪŋ] (IPA)
Correct spelling for the English word "sendoffing" is [sˈɛndɒfɪŋ], [sˈɛndɒfɪŋ], [s_ˈɛ_n_d_ɒ_f_ɪ_ŋ] (IPA phonetic alphabet).