conviction vs insecurity

conviction

noun
  • A judgement of guilt in a court of law. 

  • The state of being wholly convinced. 

  • A firmly held belief. 

  • The state of being found or proved guilty. 

insecurity

noun
  • The state of being subject to danger; vulnerability. 

  • A lack of security; uncertainty. 

  • A lack of confidence in oneself; self-doubt. 

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