innocence vs self-confidence

innocence

noun
  • Absence of responsibility for a crime, tort, etc. 

  • Lack of ability or intention to harm or damage. 

  • Lack of understanding about sensitive subjects such as sexuality and crime. 

self-confidence

noun
  • A measure of one's belief in one's own abilities 

  • The state of being self-confident 

How often have the words innocence and self-confidence occurred in a corpus of books? (source: Google Ngram Viewer )