heartbreaking vs upsetting

heartbreaking

adj

  • That causes great grief, anguish or distress. 

noun

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

upsetting

adj

  • Causing upset; distressing. 

  • Conceited; presumptuous. 

noun

  • The action of the verb upset. 

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