Pronunciation: [pɛɹˈɪsɪəs] (IPA)
Correct spelling for the English word "periscius" is [pɛɹˈɪsɪəs], [pɛɹˈɪsɪəs], [p_ɛ_ɹ_ˈɪ_s_ɪ__ə_s] (IPA phonetic alphabet).
Correct spelling for periscius