Guess The Word

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Across
  1. 1. an academic subject about force, gravity,
  2. 3. the advantage of something
  3. 6. not being easy to achieve
  4. 7. to have a lack of something
  5. 9. to make less in amount or size
Down
  1. 2. acting or doing something the same way over time
  2. 4. the upper part of legs
  3. 5. the goal or reason for doing something
  4. 8. to get something from someone is to _____