ς s, "basin" +ός nepʰrós, "kidney" + suffix -itis suggesting "inflammation". A similar term is "pyelitis", which means inflammation of the renal pelvis and calyces. In other words, pyelitis together with nephritis is collectively known as<unk> .
Pyelonephritis
Pelvic inflammatory disease
Pyonephrosis
Endometriosis
Ureteritis
Kidney stone disease
Hydronephrosis
Ovarian torsion