fighting vs warring

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. 

warring

noun
  • The act of engaging in war or conflict. 

adj
  • engaged in war; belligerent 

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