encouragement vs prevention

encouragement

noun
  • The act of encouraging 

  • Words or actions that increase someone's confidence 

  • Something that incites, supports, promotes, protects or advances; incentive 

  • The feeling of being encouraged 

prevention

noun
  • The act of preventing or hindering; obstruction of action, access, or approach; thwarting. 

  • precaution; forethought. 

  • Any measure intended to limit health-related risks (such as information campaigns, vaccination, early diagnosis etc.). 

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