The prefix inter- meaning ‘between’

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Across
  1. 2. to put each of (two things) in the place of the other
  2. 4. to weave together
  3. 5. to link together
  4. 7. to enter into or take apart in the concerns of others
  5. 8. coming and going at intervals:not continuous
  6. 9. to act upon one another
Down
  1. 1. serving to explain, clarify or assign meaning to something
  2. 3. to occur, fall, or come between points of time events
  3. 6. to throw in between or among other things
  4. 8. a space of time between events or states