conceit vs eccentricity

conceit

noun
  • Quickness of apprehension; active imagination; lively fancy. 

  • A novel or fanciful idea; a whim. 

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

  • Design; pattern. 

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

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

eccentricity

noun
  • The quality of being eccentric or odd; any eccentric behaviour. 

  • The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix. 

  • The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun). 

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