POST vs dancercise

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. 

dancercise

verb
  • To perform this kind of exercise. 

noun
  • Any aerobic exercise in the form of energetic dance. 

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