discouraging vs trying

discouraging

adj
  • that causes discouragement 

noun
  • discouragement 

trying

adj
  • Irritating, stressful or bothersome. 

  • Difficult to endure; arduous. 

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

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