4 Collie

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Across
  1. 1. rich
  2. 4. part of a war
  3. 6. unable to be seen
  4. 8. to save from danger
  5. 9. said no
  6. 10. huge
Down
  1. 2. very ugly
  2. 3. fighter
  3. 5. blowing up
  4. 7. paid to do a particular job