Stem crossword

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Across
  1. 2. U and I (not Percy Jackson)
  2. 5. Neither Christian nor Jewish; pagan or heathen.
  3. 6. Why does it literally mean one corn?
  4. 7. Female lion
  5. 8. With a hidden meaning
  6. 11. Dankmemer
  7. 13. make or declare sacred
  8. 16. Before being born
  9. 18. How high are u up in the sky
  10. 20. A fleeing person
  11. 21. A maniac (psych)
  12. 23. Tending to talk a great deal
Down
  1. 1. Origin of water.
  2. 3. To tame an animal
  3. 4. The art of politicians
  4. 9. A meat eater
  5. 10. Mouse(click)(curs)
  6. 12. Equal temperature
  7. 14. Something changed
  8. 15. Chop off sb's head
  9. 16. Relating to the era between the Precambrian aeon and the Mesozoic era.
  10. 17. The joining place of 2 or more line (segment or rays)
  11. 19. Falling water
  12. 21. A teacher, especially a strict or one excessively concerned with minor details or rules.
  13. 22. The state of being vague