Spelling words

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Across
  1. 2. causing laughter and amusement
  2. 5. the oposite to multiplication
  3. 6. the oposite to addition
Down
  1. 1. a person who moves from one place to another
  2. 3. a thing that may happen or be the case
  3. 4. sharp end of a tool, weapon, or other object
  4. 7. go or move back or further away from a previous position