self-centeredness vs swagger

self-centeredness

noun
  • The state, quality, or condition of being self-centered; concern only for oneself 

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 self-centeredness and swagger occurred in a corpus of books? (source: Google Ngram Viewer )