This root appears in many English words, such as:
* Compel: to force or oblige
* Expel: to drive out or force out
* Repel: to drive back or ward off
* Propel: to drive or push forward
* Repellent: something that drives back or wards off
* Impulse: a sudden urge or force
* Projectile: an object that is thrown or launched
* Repulsion: the act of driving back or warding off
* Propellant: a substance that propels something forward
* Pellet: a small ball of material
While the specific meaning can vary depending on the prefix and suffix used, the core concept of "to push" is present in all these words.