3rd io/4th conjugation verbs and adverbs from adjectives

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Across
  1. 4. to take (2nd pp)
  2. 8. beautifully
  3. 9. by far
  4. 11. with difficulty
  5. 14. wisely
  6. 15. to sleep (3rd pp)
  7. 19. carefully
  8. 22. deeply
  9. 23. bitterly
  10. 25. to fortify (3rd pp)
  11. 26. to find out (4th pp)
  12. 28. freely
  13. 30. to desire (1st pp)
  14. 31. easily
  15. 33. much
  16. 34. heavily
  17. 36. to not know (2nd pp)
  18. 38. happily
Down
  1. 1. roughly
  2. 2. faithfully
  3. 3. to hurl (2nd pp)
  4. 5. to do (4th pp)
  5. 6. shortly
  6. 7. to flee (3rd pp)
  7. 10. slowly
  8. 12. bravely
  9. 13. to obstruct (1st pp)
  10. 16. unhappily
  11. 17. certainly
  12. 18. boldly
  13. 20. to perceive (4th pp)
  14. 21. shamefully
  15. 24. to finish (2nd pp)
  16. 27. to know (1st pp)
  17. 29. to hear (4th pp)
  18. 32. widely
  19. 35. to come (3rd pp)
  20. 37. swiftly