Across
- 2. like
- 4. circle
- 6. front
- 8. world or universe
- 11. wood
- 12. pressure
- 13. island
- 14. billionth
- 16. idea
- 17. stranger
- 18. vessel
- 21. seller
- 22. know
- 23. little
Down
- 1. trillionth
- 3. iron
- 4. heart
- 5. attack
- 7. against
- 8. skull
- 9. bone
- 10. somewhat
- 15. without
- 19. vapor
- 20. seven