Uni Words

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Across
  1. 2. An instance of saying the same words or sounds at the same time; in a group that sounds like one
  2. 3. One group
  3. 4. Moving in one direction
  4. 6. Having only one cell
Down
  1. 1. To join together in one group
  2. 2. a one piece leotard and tights combination
  3. 3. One-wheeled vehicle
  4. 5. One of a kind; unusual or rare