Here are some examples of words using this suffix:
* Bronchiectasis: A condition where the bronchi (airways in the lungs) are abnormally widened and dilated.
* Gastrectasis: A condition where the stomach is abnormally stretched and dilated.
* Aneurysm: An abnormal bulging or dilatation of a blood vessel.
The suffix -ectasis comes from the Greek word "ektasis," which means "stretching out."