Pronunciation: [ɔːɹˈa͡ɪtɪs] (IPA)
Correct spelling for the English word "oaritis" is [ɔːɹˈa͡ɪtɪs], [ɔːɹˈaɪtɪs], [ɔː_ɹ_ˈaɪ_t_ɪ_s] (IPA phonetic alphabet).
Oothecitis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.