avocation vs incentive

avocation

noun
  • A hobby or recreational or leisure pursuit. 

  • The calling of a case from an inferior to a superior court. 

  • That which calls one away from one's regular employment or vocation. 

  • Pursuits; duties; affairs which occupy one's time; usual employment; vocation. 

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