Contra-, and Counter-

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Across
  1. 2. completely different; opposite in nature, opinion, or action
  2. 4. Anything that is against the law to buy or sell
  3. 5. to look at different things to see how they are opposites or not related
  4. 6. in the direction that is opposite of the direction the hands on the clock move
  5. 7. an example used to support a claim or statement that is the opposite of another claim or statement
Down
  1. 1. goes against your gut feeling or common sense
  2. 3. To express the opposite
  3. 5. a weight used to balance an opposite weight
  4. 6. being the opposite of real; fake or artificial
  5. 7. A person who thinks differently from other people