Spelling week 7

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Across
  1. 2. Relaxed, informal
  2. 4. Daily record or diary
  3. 6. Large church
  4. 9. Fabric or substance
  5. 11. Extremely bad
  6. 12. Celebration or event
  7. 13. Reef-building marine organism
  8. 15. Place for medical care
  9. 17. Not artificial
  10. 18. The same in value
Down
  1. 1. Clear, glass-like mineral
  2. 3. Main city
  3. 5. Living creature
  4. 7. On the outside
  5. 8. Not ordinary
  6. 10. More than a few
  7. 14. Whole amount
  8. 16. More than one