Here are some examples of words derived from this root:
* Phosphorus: A chemical element that glows in the dark.
* Photogenic: Attractive in photographs.
* Photosynthesis: The process by which plants use sunlight to make food.
* Photophobia: An abnormal sensitivity to light.
* Phosphate: A salt or ester of phosphoric acid.
* Photon: A quantum of light.