1. Pel/Puls Drive, Driven, Force

2. Com-pel Dis-pel Ex-pel Im-pel Im-pulse Pro-pel Pul-sate Re-pel Re-pel-lent Re-puls-ive

3. Compel (v) –To force someone to do something To drive someone into action I tried to compel my big brother to do my homework for me.

4. Dispel (v) To drive away –To force out of one’s mind - To go away I tried to dispel my bad dream from my mind.

5. Expel (v) To force or drive out –To force to leave I hope they do not expel me from school.

6. Impel (v) To drive forward –To urge to action –To motivate My curiosity impelled me to look under the bed.

7. Impulse (n) A sudden urge that drives someone into action I had the sudden impulse to go get some ice cream.

8. Propel (v) To force to move forward –To drive onward The motor is used to propel the boat.

9. Pulsate (v) To vibrate –Beat -Forced to produce short bursts I could feel my blood pulsating through my veins.

10. Repel (v) To drive back –To ward off or keep away The bad smell repelled people from entering the room.

11. Repellent (n) A substance used to drive away insects or animals I used insect repellent to keep the mosquitoes away.

12. Repulsive (adj) Disgusting –Tending to drive off –Offensive The thought of it was repulsive.