ANSWERS

1. Xanadu.

2. Xavier

3. X-certificate

4. X chromosome

5. XCI

6. Xena Warrior Princess

7. Xenon

8. Xenophobia

9. Xerox

10. Xerxes

11. X Factor

12. Xi

13. Xmas

14. Xpansion

15. X-Ray

16. X-Ray Specs

17. XTC

18. X-wing fighters

19. X Y and Z

20. Xylograph