taciturnity vs verbosity

taciturnity

noun
  • The trait of being taciturn. 

  • Failure to assert a legal right in a way that implies that it is being given up. 

verbosity

noun
  • The excess use of words, especially using more than are needed for clarity or precision; long-windedness 

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