Correct spelling for the English word "pacinitis" is [pˌasɪnˈa͡ɪtɪs], [pˌasɪnˈaɪtɪs], [p_ˌa_s_ɪ_n_ˈaɪ_t_ɪ_s] (IPA phonetic alphabet).
Inflammation of the Pacinian corpuscles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.