Pronunciation: [pɹˈə͡ʊsəst] (IPA)
Correct spelling for the English word "prosest" is [pɹˈə͡ʊsəst], [pɹˈəʊsəst], [p_ɹ_ˈəʊ_s_ə_s_t] (IPA phonetic alphabet).
Correct spelling for prosest