Artems prefix crossword

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Across
  1. 2. red button on youtube
  2. 5. to show something
  3. 7. special
  4. 8. stop something from happening
  5. 9. top school
Down
  1. 1. change someone or something
  2. 3. many countries combined
  3. 4. turn back
  4. 5. guess something in the future
  5. 6. not posible