Crossword for grandparents

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Across
  1. 4. Capital of Sudan
  2. 6. Criminal
  3. 9. Poured out
  4. 11. Japanese blade
  5. 12. A sound traditionally made in the mountains
  6. 13. Serious
  7. 15. A soup dish
  8. 18. 3.1415
  9. 19. Collective noun for flamingos
  10. 20. A type of melon
  11. 21. Greek island
  12. 22. Second largest country
  13. 23. A massive wave
Down
  1. 1. What light is made of
  2. 2. Drum, Elusive cow like animal
  3. 3. Opposite of harmony
  4. 5. Where Malé is located
  5. 7. Tasteless
  6. 8. Fan
  7. 10. The capital of Finland
  8. 14. Ancient Greek monster
  9. 16. Disruptive
  10. 17. Raw seafood dish