brush off vs freeze out

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. 

freeze out

verb
  • To forcibly remove or exclude. 

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