incentive vs posit

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. 

posit

noun
  • Something that is posited; a postulate. 

verb
  • Assume the existence of; to postulate. 

  • Propose for consideration or study; to suggest. 

  • Put (something somewhere) firmly; to place or position. 

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