Do You Know Your Stems

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Across
  1. 1. Mistake
  2. 3. Micron
  3. 6. Hydroponics
  4. 7. Pentagon
  5. 8. Antiwar
  6. 9. Video
  7. 10. Centrist
  8. 12. Dismiss
Down
  1. 2. Postscript
  2. 4. Coward
  3. 5. Credibility
  4. 8. Circumference
  5. 10. Precise
  6. 11. Bicycle
  7. 12. dictionary