heartbreaking vs provoking

heartbreaking

adj
  • That causes great grief, anguish or distress. 

noun
  • The breaking of a heart; great grief, anguish or distress. 

provoking

adj
  • annoying; irritating 

noun
  • provocation 

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