sinister words

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Across
  1. 2. to injure or disfigure something severely.
  2. 6. an observation or insight.
  3. 7. to swear on something falsely.
  4. 10. a small or harmful animal or insect.
Down
  1. 1. a group of hyenas.
  2. 3. to rot or disintegrate.
  3. 4. a foolish or mindless act
  4. 5. foul smelling vapor
  5. 8. a long-handled farming tool with a curved blade.
  6. 9. a dishonest or troublesome person