spelling with ch /K/

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Across
  1. 3. make plans, especially in a devious way
  2. 4. complete disorder and confusion
  3. 6. a person who repairs and maintains machinery
  4. 8. the study of history through artifacts
  5. 9. a person who designs buildings
  6. 14. an army officer of high rank
  7. 15. a person who serves in an army
  8. 16. known for sure; established beyond doubt
  9. 18. a dull pain
  10. 19. rough in texture
Down
  1. 1. a plan to take place at a particular time
  2. 2. substances in reference to chemistry
  3. 5. cause to occur or operate at the same time
  4. 7. the moral qualities of a person
  5. 10. a period of time marked out in history
  6. 11. a specialist in a particular branch of study
  7. 12. compelling charm that can inspire others
  8. 13. a feeling of enjoyment
  9. 17. a sound by the reflection of sound waves
  10. 18. a heavy object and used to keep a vessel in place