Pronunciation: [bɪkjˈuːmɪŋ] (IPA)
Correct spelling for the English word "becuming" is [bɪkjˈuːmɪŋ], [bɪkjˈuːmɪŋ], [b_ɪ_k_j_ˈuː_m_ɪ_ŋ] (IPA phonetic alphabet).
Correct spelling for becuming