demand vs urgency

demand

noun
  • 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. 

  • A requirement. 

  • 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. 

urgency

noun
  • The quality or condition of being urgent. 

  • Insistence, pressure, urge. 

  • A sudden and compelling need to urinate that is difficult to defer, associated with conditions such as urinary tract infections and overactive bladder. 

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