discord vs schism

discord

noun
  • Tension or strife resulting from a lack of agreement; dissension. 

  • Any harsh noise, or confused mingling of sounds. 

  • An inharmonious combination of simultaneously sounded tones; a dissonance. 

  • Lack of concord, agreement or harmony. 

verb
  • To untie things which are connected by a cord. 

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 discord and schism occurred in a corpus of books? (source: Google Ngram Viewer )