POST vs touch 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. 

touch down

verb
  • To score a try. 

  • To land an aircraft or spacecraft. 

  • To score a touchdown 

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