Pronunciation: [ɡlˈe͡ɪsəst] (IPA)
Correct spelling for the English word "glacest" is [ɡlˈe͡ɪsəst], [ɡlˈeɪsəst], [ɡ_l_ˈeɪ_s_ə_s_t] (IPA phonetic alphabet).
Correct spelling for glacest