egoism vs swagger

egoism

noun
  • Egotism (tendency to talk excessively about oneself). 

  • The tendency to think selfishly with exclusive self-interest in mind. 

  • The belief that moral behavior should be directed toward one's self-interest only. 

swagger

noun
  • Confidence, pride. 

  • A bold or arrogant strut. 

  • A prideful boasting or bragging. 

  • Synonym of swagman 

verb
  • To boast or brag noisily; to bluster; to bully. 

  • To behave (especially to walk or carry oneself) in a pompous, superior manner. 

  • To walk with a swaying motion. 

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