poignant vs upsetting

poignant

adj
  • Evoking strong mental sensation, to the point of distress; emotionally moving. 

  • Incisive; penetrating; piercing. 

  • Neat; eloquent; applicable; relevant. 

  • Piquant, pungent. 

upsetting

adj
  • Causing upset; distressing. 

  • Conceited; presumptuous. 

noun
  • The action of the verb upset. 

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