brush off vs reject

brush off

verb
  • To disregard (something), to dismiss or ignore (someone), as unimportant. 

  • Used other than figuratively or idiomatically: see brush, off. To remove something with a brush. 

reject

verb
  • To refuse to accept. 

  • To refuse a romantic advance. 

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

noun
  • A rejected takeoff. 

  • A rejected defective product in a production line. 

  • Something that is rejected. 

  • An unpopular person. 

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