Pronunciation: [kɹˈuːəltɪə] (IPA)
Correct spelling for the English word "crueltier" is [kɹˈuːəltɪə], [kɹˈuːəltɪə], [k_ɹ_ˈuː_ə_l_t_ɪ__ə] (IPA phonetic alphabet).
Correct spelling for crueltier