assess vs count up

assess

verb
  • To determine, estimate or judge the value of; to evaluate 

  • To impose or charge, especially as punishment for an infraction. 

  • To calculate and demand (the tax money due) from a person or entity. 

count up

verb
  • to add to get a total 

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