incisiveness vs sophistication

incisiveness

noun
  • The quality or state of being incisive; incisivity. 

sophistication

noun
  • Falsification or contamination. 

  • Ability to deal with complexity. 

  • Enlightenment or education. 

  • Cultivated intellectual worldliness; savoir-faire. 

  • Deceptive logic; sophistry. 

  • Complexity. 

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