tormenting vs unbending

tormenting

noun
  • The act by which somebody is tormented. 

adj
  • Involving or causing torment. 

unbending

noun
  • The act of one who unbends. 

adj
  • inflexible and not yielding 

  • very reserved, aloof and asocial 

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