conceit vs egoism

conceit

noun
  • Overly high self-esteem; vain pride; hubris. 

  • A novel or fanciful idea; a whim. 

  • Quickness of apprehension; active imagination; lively fancy. 

  • The faculty of conceiving ideas; mental faculty; apprehension. 

  • Design; pattern. 

  • An ingenious expression or metaphorical idea, especially in extended form or used as a literary or rhetorical device. 

egoism

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

  • Egotism (tendency to talk excessively about oneself). 

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

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