Correct spelling for the English word "nephrism" is [nˈɛfɹɪzəm], [nˈɛfɹɪzəm], [n_ˈɛ_f_ɹ_ɪ_z_ə_m] (IPA phonetic alphabet).
The aggregate of symptoms characteristic of chronic disease of the kidneys.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.