Pronunciation: [bˈə͡ʊltɪŋtˌʌb] (IPA)
Correct spelling for the English word "Boltingtub" is [bˈə͡ʊltɪŋtˌʌb], [bˈəʊltɪŋtˌʌb], [b_ˈəʊ_l_t_ɪ_ŋ_t_ˌʌ_b] (IPA phonetic alphabet).
Correct spelling for Boltingtub