Pronunciation: [pɛɹˈe͡ɪdɪəs] (IPA)
Correct spelling for the English word "perradius" is [pɛɹˈe͡ɪdɪəs], [pɛɹˈeɪdɪəs], [p_ɛ_ɹ_ˈeɪ_d_ɪ__ə_s] (IPA phonetic alphabet).
Correct spelling for perradius