Pronunciation: [kwˈɒdɹuːə͡l] (IPA)
Correct spelling for the English word "quadrual" is [kwˈɒdɹuːə͡l], [kwˈɒdɹuːəl], [k_w_ˈɒ_d_ɹ_uː_əl] (IPA phonetic alphabet).
Correct spelling for quadrual