Pronunciation: [ɡˈe͡ɪnte͡ɪkɪŋ] (IPA)
Correct spelling for the English word "gaintaking" is [ɡˈe͡ɪnte͡ɪkɪŋ], [ɡˈeɪnteɪkɪŋ], [ɡ_ˈeɪ_n_t_eɪ_k_ɪ_ŋ] (IPA phonetic alphabet).