discouragement vs disuse

discouragement

noun
  • The act of discouraging. 

  • Anything that discourages. 

  • The loss of confidence or enthusiasm. 

disuse

noun
  • The state of not being used; neglect. 

verb
  • To cease the use of. 

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