demand vs urge

demand

verb
  • To request forcefully. 

  • To require of someone. 

  • To claim a right to something. 

  • To ask forcefully for information. 

  • To issue a summons to court. 

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. 

urge

verb
  • To present in an urgent manner; to insist upon. 

  • To press; to push; to drive; to impel; to force onward. 

  • To put mental pressure on; to ply with motives, arguments, persuasion, or importunity. 

  • To press onward or forward. 

  • To be pressing in argument; to insist; to persist. 

  • To provoke; to exasperate. 

  • To press hard upon; to follow closely. 

noun
  • A strong desire; an itch to do something. 

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