request vs subpoena

request

noun
  • Condition of being sought after. 

  • A message sent over a network to a server. 

  • Act of requesting (with the adposition at in the presence of possessives, and on in their absence). 

  • A formal message requesting something. 

verb
  • To ask (somebody) to do something. 

  • To ask for (something). 

subpoena

noun
  • A writ requiring a defendant to appear in court to answer a plaintiff's claim. 

  • A writ requiring someone to appear in court to give testimony. 

verb
  • To summon with a subpoena. 

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