inter-

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Across
  1. 2. to stop, seize, or interrupt in progress or course or before arrival.
  2. 4. networks that exist between each other.
  3. 7. existing or carried on between states.
  4. 8. a space of time between events or states.
Down
  1. 1. existing, occurring, or carried on between two or more nations.
  2. 3. to stop or hinder by breaking in.
  3. 5. a point or line common to lines or surfaces that intersect.
  4. 6. mutually joined or related.