Pronunciation: [bɪtˈə͡ʊ] (IPA)
Correct spelling for the English word "betow" is [bɪtˈə͡ʊ], [bɪtˈəʊ], [b_ɪ_t_ˈəʊ] (IPA phonetic alphabet).
Betow is a verb that is not recognized in the dictionary.