fighting vs sparring

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. 

sparring

noun
  • The act of one who spars. 

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