Super-

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Across
  1. 3. an excess
  2. 5. splendid
  3. 6. beyond what is expected
  4. 7. bizarre
  5. 8. amount of money over what is already being paid
Down
  1. 1. above average in quality
  2. 2. person over another in rank
  3. 3. person with highest power
  4. 4. to lay or place something over another thing
  5. 7. an extra tax