Pronunciation: [səkjˈuːbɪŋ] (IPA)
Correct spelling for the English word "succubing" is [səkjˈuːbɪŋ], [səkjˈuːbɪŋ], [s_ə_k_j_ˈuː_b_ɪ_ŋ] (IPA phonetic alphabet).