Pronunciation: [nˌɪpɪˈɒləd͡ʒi] (IPA)
Correct spelling for the English word "nipiology" is [nˌɪpɪˈɒləd͡ʒi], [nˌɪpɪˈɒlədʒi], [n_ˌɪ_p_ɪ__ˈɒ_l_ə_dʒ_i] (IPA phonetic alphabet).
Nepiology.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.