Key spellings

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Across
  1. 3. someone who studies the planets
  2. 4. a short explanation
  3. 6. a person who is competing for the same goal
  4. 7. another word for help
Down
  1. 1. the opposite of give
  2. 2. on or relating to earth
  3. 5. very old
  4. 7. a word that rhymes with prize