friendship vs strife

friendship

noun
  • The condition of being friends. 

  • Good will. 

  • A friendly relationship, or a relationship as friends. 

strife

noun
  • A trouble of any kind. 

  • Striving; earnest endeavor; hard work. 

  • Bitter conflict, sometimes violent. 

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

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