low-mindedness vs turpitude

low-mindedness

noun
  • The characteristic of being low-minded; vulgarity or lack of honor. 

turpitude

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

  • An act evident of such a depravity. 

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