turpitude vs wickedness

turpitude

noun
  • Inherent baseness, depravity or wickedness; corruptness and evilness. 

  • An act evident of such a depravity. 

wickedness

noun
  • The state of being wicked; evil disposition; immorality. 

  • A wicked or sinful thing or act; morally bad or objectionable behaviour. 

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