POST vs jackal

POST

verb
  • To successfully perform a power-on self-test. 

noun
  • An HTTP request method used to send an arbitrary amount of data to a web server. 

jackal

verb
  • To perform menial or routine tasks 

noun
  • A person who performs menial/routine tasks, a dogsbody. 

  • A player who steals the ball at the tackle. 

  • A jack (the playing card). 

  • A person who behaves in an opportunistic way; especially a base collaborator. 

  • Any of certain wild canids of the genera Lupulella and Canis, native to the tropical Old World and smaller than a wolf. 

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