promissory vs trying

promissory

adj
  • Containing or consisting of a promise. 

  • Stipulating the future actions required of the parties to an insurance policy or other business agreement. 

trying

adj
  • Difficult to endure; arduous. 

  • Irritating, stressful or bothersome. 

noun
  • The act by which one tries something; an attempt. 

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