th and ch

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Across
  1. 3. to unfreeze
  2. 4. a boy sibling
  3. 5. birds are covered in these
  4. 7. 12 in a year
  5. 8. a board game with red and black
Down
  1. 1. sunny, rainy, snowy, windy
  2. 2. 13
  3. 3. someone who steals
  4. 4. an arm of a tree
  5. 6. parts of a long book
  6. 7. body part food goes into