feud vs slugfest

feud

noun
  • A staged rivalry between wrestlers. 

  • A state of long-standing mutual hostility. 

  • An estate granted to a vassal by a feudal lord in exchange for service. 

verb
  • To carry on a feud. 

slugfest

noun
  • A game or match in which heavy blows are exchanged. 

  • A baseball game in which many runs are scored, especially by home runs. 

  • A tough, heated contest. 

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