trans-, -ous, inter-, & -ness

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Across
  1. 4. State of being coarse.
  2. 5. State of being great.
  3. 9. Sending across signals.
  4. 10. State of being weak.
  5. 11. Full of poison
  6. 12. Exchange across parties.
  7. 13. Communicate between rooms.
  8. 16. Step in between.
Down
  1. 1. Completely see-through.
  2. 2. Full of danger
  3. 3. Full of envy
  4. 6. Cross over boundaries.
  5. 7. State of being fit.
  6. 8. Happens between breaks.
  7. 14. Full of marvel
  8. 15. Breed between species.