fool vs incentive

fool

noun
  • Someone who derives pleasure from something specified. 

  • A type of dessert made of puréed fruit and custard or cream. 

  • A jester; a person whose role was to entertain a sovereign and the court (or lower personages). 

  • A person with poor judgment or little intelligence. 

  • A particular card in a tarot deck, representing a jester. 

  • Buddy, dude, man. 

adj
  • Foolish. 

verb
  • To act in an idiotic manner; to act foolishly. 

  • To trick; to deceive. 

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 fool and incentive occurred in a corpus of books? (source: Google Ngram Viewer )