evaluate vs follow up

evaluate

verb
  • To draw conclusions from examining; to assess. 

  • To compute or determine the value of (an expression). 

  • To return or have a specific value. 

follow up

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

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