insincerity vs veracity

insincerity

noun
  • Property of being insincere, lacking sincerity or truthfulness. 

veracity

noun
  • Something that is true; a truthful statement; a truth. 

  • Act of being exact and accurate. 

  • The quality of speaking or stating the truth; truthfulness. 

  • Correctness and carefulness in one's plan of action. 

  • Agreement with the facts; accordance with the truth; accuracy or precision. 

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