Pronunciation: [bˈɛtəmˌə͡ʊst] (IPA)
Correct spelling for the English word "Bettermost" is [bˈɛtəmˌə͡ʊst], [bˈɛtəmˌəʊst], [b_ˈɛ_t_ə_m_ˌəʊ_s_t] (IPA phonetic alphabet).
Correct spelling for Bettermost