The Derivational suffix (-ure)

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Across
  1. 4. The act of closing or the state of being closed (7 letters).
  2. 5. A distinctive attribute or aspect of something (7 letters).
  3. 7. An exciting or unusual experience (9 letters).
  4. 9. A visual representation created using a camera or other means (7 letters).
  5. 10. The natural world, including plants and animals (6 letters).
Down
  1. 1. The force exerted on a surface (8 letters).
  2. 2. Lack of success (7 letters).
  3. 3. The state of being unprotected or revealed (8 letters).
  4. 6. To assess the size, amount, or degree of something (7 letters).
  5. 8. Valuable items collected and hidden (8 letters).