dissemblance vs frankness

dissemblance

noun
  • Dissembling, as a kind of behavior; dissembling, generally. 

  • Dissimilarity, unlikeness. 

  • An act of dissembling. 

frankness

noun
  • The state of being frank; candour; honesty. 

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