1. vivid

2. vital

3. revive

4. Vivi-, vita-, viv- alive, life; Examples: revive – recover consciousness; vivid – very bright, striking ; vital – crucial, needed for life.

5. ultimate

6. ultimatum

7. Ultima- Last; Examples: ultimate – final, greatest; ultimatum – final demand

8. tribute

9. contribute

10. tributary

11. Trib- Trib – pay, bestow. Examples: tribute – expression of gratitude or praise; contribute – donate money or time; tributary – stream feeding a larger body of water.

12. compel

13. expel

14. pulse

15. Pel-, puls- Pel, puls = drive, push, urge. Examples: compel – force somebody or force something to happen; expel – dismiss somebody or drive out; pulse – single beat of blood flow.