pretension vs self-centeredness

pretension

noun
  • Pretentiousness. 

  • A claim or aspiration to a particular status or quality. 

verb
  • To apply tension to reinforcing strands before concrete is poured in. 

  • To apply tension to an object before some other event or process. 

self-centeredness

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

How often have the words pretension and self-centeredness occurred in a corpus of books? (source: Google Ngram Viewer )