Here are some examples of words using the combining form "metro-":
* Metrorrhagia: Abnormal uterine bleeding.
* Metritis: Inflammation of the uterus.
* Metrocele: Hernia of the uterus.
* Endometriosis: A condition where the tissue that normally lines the inside of the uterus grows outside of the uterus.
The combining form metro- is often used in medical terms related to the female reproductive system, particularly the uterus.