Pronunciation: [pɪˈa͡ɪtɪs] (IPA)
Correct spelling for the English word "piitis" is [pɪˈa͡ɪtɪs], [pɪˈaɪtɪs], [p_ɪ__ˈaɪ_t_ɪ_s] (IPA phonetic alphabet).
Inflammation of the pia mater.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Correct spelling for piitis