idleness vs stagnation

idleness

noun
  • The state of being idle; inactivity. 

  • Groundlessness; worthlessness; triviality; vanity; frivolity. 

  • The state of being indolent; indolence. 

stagnation

noun
  • Inactivity. 

  • The state of being stagnant, without circulation. 

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