dismiss vs give someone the boot

dismiss

verb
  • To send or put away, to discard with disregard, contempt or disdain. (sometimes followed by as). 

  • To get a batsman out. 

  • To give someone a red card; to send off. 

  • To reject; to refuse to accept. 

  • To order to leave. 

  • To invalidate; to treat as unworthy of serious consideration. 

  • To discharge; to end the employment or service of. 

  • To dispel; to rid one’s mind of. 

give someone the boot

verb
  • (idiomatic, Britain, informal) To fire, sack, or eject someone. 

  • Used other than figuratively or idiomatically: see give, the, boot. 

How often have the words dismiss and give someone the boot occurred in a corpus of books? (source: Google Ngram Viewer )