Words of conflict

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Across
  1. 2. a conflict carried on by force of arms
  2. 7. act of confronting
  3. 9. unfriendliness
  4. 10. a fight, battle or skirmish (4 letters)
  5. 11. state of being divided
  6. 12. to come together or collide
  7. 13. an agrument or noisy dispute
Down
  1. 1. v_ _ _et_ _
  2. 3. relation of a rival
  3. 4. to come upon or meet with (9 letters)
  4. 5. verbal disagreement
  5. 6. lack of harmony (10 letters)
  6. 7. C_ _ _ _si_n
  7. 8. heated/angry dispute
  8. 11. to agrue or debate about;discussion