Roots 41-50

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Across
  1. 2. flee, run away, escape
  2. 3. harden, to last, lasting
  3. 5. having the quality of lasting
  4. 9. make, do
  5. 10. an inflammation of the stomach
  6. 12. a place where things are made
  7. 13. power, energy, strength
  8. 15. to picture in the mind
  9. 16. two, twice
  10. 17. easy to break
  11. 18. inside, inwards
Down
  1. 1. a feeling of well-being
  2. 4. break
  3. 5. to make an identical copy
  4. 6. good, well
  5. 7. stomach
  6. 8. a billion
  7. 10. a unit of electric power (one billion watts)
  8. 11. a powerful explosive
  9. 14. a sheltered place to flee to