Nouns from verbs/adjectives

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Across
  1. 2. humid
  2. 4. excite
  3. 8. stupid
  4. 10. warm
  5. 15. sensitive
  6. 16. tired
  7. 17. investigate
  8. 19. patient
  9. 20. disagree
  10. 22. compete
  11. 23. collect
  12. 24. move
  13. 25. attach
  14. 26. produce
  15. 27. pollute
Down
  1. 1. reduce
  2. 3. solve
  3. 5. entertain
  4. 6. encourage
  5. 7. fair
  6. 8. satisfy
  7. 9. react
  8. 11. wide
  9. 12. possible
  10. 13. significant
  11. 14. hot
  12. 18. high
  13. 19. punish
  14. 21. connect