encouragement vs stage fright

encouragement

noun
  • Words or actions that increase someone's confidence 

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

  • The feeling of being encouraged 

  • The act of encouraging 

stage fright

noun
  • A state of nervousness about performing some action in front of a group of people, on or off of a stage; nerves; a lack of self-assurance before an audience. 

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