brush off vs give the go-by

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. 

give the go-by

verb
  • To avoid dealing with; to disregard, ignore. 

  • To snub (someone); to end a relationship. 

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