Pronunciation: [pɹˈiːndɛvə] (IPA)
Correct spelling for the English word "preendeavor" is [pɹˈiːndɛvə], [pɹˈiːndɛvə], [p_ɹ_ˈiː_n_d_ɛ_v_ə] (IPA phonetic alphabet).
Correct spelling for preendeavor