GHI root words

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Across
  1. 6. overly active
  2. 7. to kill oneself
  3. 10. electricity produced by moving water
  4. 12. to kill another
Down
  1. 1. water pipe used for fighting fires
  2. 2. moving at a speed equal to or over 5 times the speed of sound
  3. 3. to remove all the water from
  4. 4. to put water back
  5. 5. formed by parts of the same kind
  6. 8. high blood pressure
  7. 9. of water
  8. 11. deer- dear and bear- bare