demand vs petition

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. 

petition

verb
  • To make a request to, commonly in written form. 

noun
  • A compilation of signatures built in order to exert moral authority in support of a specific cause. 

  • A formal written request for judicial action. 

  • A prayer; a supplication; an entreaty. 

  • A formal, written request made to an official person or organized body, often containing many signatures. 

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