Irregular vebs

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Across
  1. 2. / froze
  2. 3. / came
  3. 5. / cost
  4. 7. / arose
  5. 8. / gave
  6. 11. / forbade
  7. 12. / forgave
  8. 13. / fell
  9. 14. / fled
  10. 15. / got
  11. 16. / bought
  12. 17. / dealt
  13. 18. / fought
Down
  1. 1. / crept
  2. 3. / cut
  3. 4. / bit
  4. 5. / clung
  5. 6. / found
  6. 9. / went
  7. 10. / forgot
  8. 11. / felt
  9. 13. / fed
  10. 14. / flew
  11. 16. / built