Here are some examples of words using this combining form:
* Endoscope: An instrument for viewing the inside of a hollow organ or cavity.
* Microscope: An instrument for viewing very small objects.
* Telescope: An instrument for viewing distant objects.
* Otoscope: An instrument for viewing the ear canal.
* Colonoscope: An instrument for viewing the colon.
* Bronchoscope: An instrument for viewing the bronchi (airways in the lungs).