embarrassment vs introversion

embarrassment

noun
  • A state of discomfort arising from bashfulness or consciousness of having violated a social rule; humiliation. 

  • A state of confusion; hesitation; uncertainty 

  • Impairment of function due to disease: respiratory embarrassment. 

  • A large collection of good or valuable things, especially one that exceeds requirements. 

  • A person or thing which is the cause of humiliation to another. 

introversion

noun
  • A personality orientation towards the self and mental abstraction; behavior expressing such orientation. 

  • Arrangement of two similar words, lines, etc. to form the middle part of a structure. 

  • The action of turning one's thoughts upon internal or spiritual matters. 

  • A turning inward 

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