feud vs schism

feud

noun
  • A state of long-standing mutual hostility. 

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

  • A staged rivalry between wrestlers. 

verb
  • To carry on a feud. 

schism

noun
  • A split or separation within a group or organization, typically caused by discord. 

  • a split within Christianity whereby a group no longer recognizes the Bishop of Rome as the head of the Church, but shares essentially the same beliefs with the Church of Rome. In other words, a political split without the introduction of heresy. 

  • A formal division or split within a religious body. 

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