request vs requisition

request

noun
  • A formal message requesting something. 

  • 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). 

  • Condition of being sought after. 

verb
  • To ask (somebody) to do something. 

  • To ask for (something). 

requisition

noun
  • A call; an invitation; a summons. 

  • A notarial demand for repayment of a debt. 

  • That which is required by authority; especially, a quota of supplies or necessaries. 

  • A formal demand made by one state or government upon another for the surrender or extradition of a fugitive from justice. 

  • A demand by the invader upon the people of an invaded country for supplies, as of provision, forage, transportation, etc. 

  • A formal application by one officer to another for things needed in the public service. 

verb
  • To demand something, especially for a military need of staff, supplies, or transport. 

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