armed conflict vs truce

armed conflict

noun
  • A contested incompatibility that entails the use of armed force between two parties including a territory, the government of a state, or both. 

truce

noun
  • a period of time in which no fighting takes place due to an agreement between the opposed parties 

  • an agreement between opposed parties in which they pledge to cease fighting for a limited time 

How often have the words armed conflict and truce occurred in a corpus of books? (source: Google Ngram Viewer )