self-worth vs worthiness

self-worth

noun

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

worthiness

noun

  • The result or product of having value or merit. 

  • The state or quality of being qualified or eligible. 

  • The result or product of being qualified or eligible. 

  • The state or quality of having value or merit. 

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