conceit vs incentive

conceit

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

  • A novel or fanciful idea; a whim. 

  • Quickness of apprehension; active imagination; lively fancy. 

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

  • Design; pattern. 

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

incentive

noun
  • Something that motivates, rouses, or encourages. 

  • A bonus or reward, often monetary, to work harder. 

adj
  • Inciting; encouraging or moving; rousing to action; stimulating. 

  • Serving to kindle or set on fire. 

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