discord vs strife

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. 

strife

noun
  • Bitter conflict, sometimes violent. 

  • A trouble of any kind. 

  • Striving; earnest endeavor; hard work. 

  • Exertion or contention for superiority, either by physical or intellectual means. 

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