Forming nouns

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Across
  1. 2. marry
  2. 3. locate
  3. 7. prepare
  4. 11. social
  5. 12. peaceful
  6. 13. think
  7. 14. paint
  8. 15. know
  9. 17. national
Down
  1. 1. permit
  2. 4. romantic
  3. 5. operate
  4. 6. see
  5. 8. noisy
  6. 9. invite
  7. 10. perform
  8. 16. weigh