Untechable words

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Across
  1. 4. A word puzzle that has clues
  2. 7. A person who's job is teaching
  3. 9. An act of deception,fraud,and trickery
  4. 10. Based on as a hypothesis
Down
  1. 1. Gossip about other people
  2. 2. extremely interested
  3. 3. A sleeping disorder
  4. 5. A famous person
  5. 6. The set of courses at school or university
  6. 8. A wheeled vehicle