idleness vs strife

idleness

noun
  • Groundlessness; worthlessness; triviality; vanity; frivolity. 

  • The state of being idle; inactivity. 

  • The state of being indolent; indolence. 

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 idleness and strife occurred in a corpus of books? (source: Google Ngram Viewer )