Making adjectives by adding 'ous' to nouns

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Across
  1. 2. Someone who worries - nerve
  2. 4. Something wonderful - marvel
  3. 8. An animal that eats meat - carnivore
  4. 9. Something exciting - adventure
  5. 12. Someone stylish - glamour
  6. 13. To be successful - prosper
  7. 16. To make trouble - mischief
  8. 18. Something not fully understood - mystery
  9. 19. A catastrophe - disaster
  10. 20. Something risky - hazard
Down
  1. 1. Something amazing - wonder
  2. 3. A very loud noise - thunder
  3. 5. A deadly substance - poison
  4. 6. An area with lots of mountains
  5. 7. Something that could cause harm - danger
  6. 10. A number of choices - vary
  7. 11. To be very angry - fury
  8. 14. To be well known - fame
  9. 15. Someone who works hard at their school work - study
  10. 17. To be a winner - victory