reassuring vs upsetting

reassuring

adj

  • That reassures; causing comfort or confidence. 

noun

  • reassurance 

upsetting

adj

  • Causing upset; distressing. 

  • Conceited; presumptuous. 

noun

  • The action of the verb upset. 

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