dispiriting vs upsetting

dispiriting

adj
  • Lowering the morale of; making despondent or depressive; disheartening. 

upsetting

adj
  • Causing upset; distressing. 

  • Conceited; presumptuous. 

noun
  • The action of the verb upset. 

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