POST vs shake down

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. 

shake down

verb
  • To subject something to a shakedown test. 

  • To shake someone so money falls from their pockets. 

  • To cause something to fall down by shaking it, or something it is attached to. 

  • To extort money from (someone) by means of threats. 

  • To search exhaustively. 

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