Affix Crossword

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Across
  1. 3. underground train
  2. 4. to think of something before hand
  3. 5. dinosaur with three horns
  4. 7. almost to the end
  5. 8. very chill, don't care
Down
  1. 1. not grateful
  2. 2. living together
  3. 3. a cool person with powers
  4. 4. delivers your mail
  5. 6. fake or unnatural