Pronunciation: [tˈɒst pˈɑːti] (IPA)
Correct spelling for the English word "tost party" is [tˈɒst pˈɑːti], [tˈɒst pˈɑːti], [t_ˈɒ_s_t p_ˈɑː_t_i] (IPA phonetic alphabet).