Unit 9 crossword puzzle

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Across
  1. 3. attraction
  2. 5. sibling
  3. 7. disappear
  4. 10. nephew
  5. 13. housekeeper
  6. 14. space
  7. 15. niece
  8. 17. corridor
  9. 18. flash
  10. 19. madam
  11. 21. murder
Down
  1. 1. nonsense
  2. 2. blood
  3. 4. supportive
  4. 5. stain
  5. 6. remover
  6. 8. modern
  7. 9. neither
  8. 11. husband
  9. 12. voice
  10. 16. calmly
  11. 20. air