-TION words

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Across
  1. 4. the building of a structure
  2. 8. advance in a job
  3. 9. request to join an event or a party
  4. 11. height above sea level
  5. 12. system that waters landscape
  6. 14. piece of something
  7. 15. stuffy nose
  8. 16. process of breaking down food in the body
Down
  1. 1. smog
  2. 2. a book listing words and their meanings
  3. 3. the act or process of bringing something into being
  4. 5. feeling
  5. 6. warning
  6. 7. spinning motion
  7. 10. time away from home
  8. 13. combining two numbers