humiliation vs ruefulness

humiliation

noun
  • The act of humiliating or humbling someone; abasement of pride; mortification. 

  • The state of being humiliated, humbled or reduced to lowliness or submission. 

ruefulness

noun
  • The property of being rueful. 

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