POST vs check up

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. 

check up

verb
  • I dropped by to check up on my friend. 

  • To seem correct or plausible; to comport with known facts; to check out (with other facts). 

  • To verify through brief investigation or revisit for assurance that there are no problems. 

  • To verify something's accuracy. 

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