Sub and Super

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Across
  1. 1. to put under someone else's control
  2. 3. a manager in charge of someone else
  3. 5. above average in quality; excellent
  4. 7. below the freezing point
  5. 8. a person with the highest power
  6. 10. under the skin
  7. 13. beyond what is real or believable; bizarre
  8. 15. to water something from under the ground
  9. 16. an electric underground railway
  10. 17. an extra tax beyond the normal tax
Down
  1. 1. to bring under control
  2. 2. a quantity or amount over and above what is actually needed
  3. 3. to lay or place something over something else
  4. 4. splendid; excellent
  5. 6. a person who is under someone else in rank
  6. 9. a watercraft that stays under water
  7. 10. something that is beyond what is expected
  8. 11. an amount of money charged over and above what is already being paid
  9. 12. to put under water
  10. 14. not fully aware