exert vs reject

exert

verb
  • To put in vigorous action. 

  • To make use of, to apply, especially of something non-material. 

reject

verb
  • To block a shot, especially if it sends the ball off the court. 

  • To refuse a romantic advance. 

  • To refuse to accept. 

noun
  • A rejected takeoff. 

  • A rejected defective product in a production line. 

  • Something that is rejected. 

  • An unpopular person. 

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