knowledge

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Across
  1. 1. someone that doesnt listen - annoying.
  2. 3. having learned or memorized something previously.
  3. 5. knowing something for sure
  4. 6. a persons occupation
  5. 8. used to show you've bought something.
Down
  1. 2. having mastered or gained something after a lot of practice.
  2. 4. an objects...
  3. 7. having something that might lead to another thing- usually a sickness.