brush off vs socialize

brush off

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

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

socialize

verb
  • To interact with others 

  • To take something into collective or governmental ownership 

  • To instruct somebody, usually subconsciously, in the etiquette of a society 

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