refreshing vs tiring

refreshing

adj
  • That refreshes someone; pleasantly fresh and different; granting vitality and energy. 

  • Serving to refresh, particularly with respect to an electronic screen, or a browser window or similar computer application. 

noun
  • The action of refresh; refreshment given or received. 

  • That which gives refreshment. 

tiring

adj
  • That tires or tire. 

noun
  • Bits of bone and tough organic material from a corpse given to hawks to abate their hunger. 

  • The action of tiring. 

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