Forming Nouns from Verbs

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Across
  1. 3. laugh
  2. 4. marry
  3. 8. subscribe
  4. 9. fly
  5. 14. serve
  6. 17. encourage
  7. 18. postpone
  8. 19. satisfy
  9. 20. excite
Down
  1. 1. judge
  2. 2. think
  3. 5. enter
  4. 6. combine
  5. 7. collect
  6. 10. know
  7. 11. assist
  8. 12. free
  9. 13. lose
  10. 15. choose
  11. 16. manage