NW etymology - Structures

123456789101112131415
Across
  1. 3. firm, whole
  2. 6. first
  3. 10. alchemy
  4. 13. first
  5. 14. to flow
  6. 15. matter
Down
  1. 1. physics
  2. 2. to put together
  3. 4. amber
  4. 5. neutral
  5. 7. cutting
  6. 8. to mold
  7. 9. to mix
  8. 11. empty space
  9. 12. very small