It's often used in medical terms to describe the flow of fluids or substances from the body, such as:
* Diarrhea: excessive watery bowel movements
* Menorrhea: menstrual flow
* Rhinorrhea: runny nose
* Leukorrhea: a whitish or yellowish vaginal discharge
* Galactorrhea: excessive milk production
It's important to note that the "-rrhea" suffix can be used for both normal and abnormal flows.