Difficult words

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Across
  1. 2. Eradication of a species
  2. 6. Mixture of harsh sounds
  3. 10. Outside of the Earth
Down
  1. 1. Sound made relating to feelings
  2. 3. Knowledge and understaning of thoughts
  3. 4. Like God
  4. 5. Existing in thought but not physcial
  5. 7. People entering a place with intrusive actions
  6. 8. Instrument to see far away
  7. 9. Collection of myths