demand vs requisition

demand

noun
  • A requirement. 

  • An urgent request. 

  • The desire to purchase goods and services. 

  • An order. 

  • The amount of a good or service that consumers are willing to buy at a particular price. 

  • A forceful claim for something. 

  • More precisely peak demand or peak load, a measure of the maximum power load of a utility's customer over a short period of time; the power load integrated over a specified time interval. 

verb
  • To require of someone. 

  • To claim a right to something. 

  • To ask forcefully for information. 

  • To request forcefully. 

  • To issue a summons to court. 

requisition

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

  • A notarial demand for repayment of a debt. 

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

  • A call; an invitation; a summons. 

  • 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 demand and requisition occurred in a corpus of books? (source: Google Ngram Viewer )