Pronunciation: [d͡ʒˈankə͡ʊ] (IPA)
Correct spelling for the English word "janco" is [d͡ʒˈankə͡ʊ], [dʒˈankəʊ], [dʒ_ˈa_n_k_əʊ] (IPA phonetic alphabet).
Correct spelling for janco