armed conflict vs fighting

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. 

fighting

noun
  • The act or process of contending; violence or conflict. 

  • A fight or battle; an occasion on which people fight 

adj
  • Engaged in war or other conflict. 

  • Apt to provoke a fight. 

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