modesty vs self-worth

modesty

noun
  • The quality of being modest; having a limited and not overly high opinion of oneself and one's abilities. 

  • Moderate behaviour; reserve. 

  • Pudency, avoidance of sexual explicitness. 

self-worth

noun
  • The value one assigns to oneself or one's abilities in self assessment. 

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