follow up vs put through

follow up

verb
  • To take further actions remaining after an event; to continue, revisit, or persist; especially, to maintain communication or verify. 

put through

verb
  • to cause to endure 

  • To pass the ball to (someone) giving them a one-on-one scoring opportunity. 

  • To smash (e.g. a window) so as to create an opening. 

  • To connect (a telephone caller with intended callee). 

  • Used other than figuratively or idiomatically: see put, through. 

noun
  • A transaction by a broker outside the stock exchange, bringing a buyer and seller together. 

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