demand vs pay

demand

verb
  • To issue a summons to court. 

  • To require of someone. 

  • To claim a right to something. 

  • To ask forcefully for information. 

  • To request forcefully. 

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. 

pay

verb
  • To discharge an obligation or debt. 

  • To cover (the bottom of a vessel, a seam, a spar, etc.) with tar or pitch, or a waterproof composition of tallow, resin, etc.; to smear. 

  • To be profitable or worth the effort. 

  • To admit that a joke, punchline, etc., was funny. 

  • To suffer consequences. 

  • To discharge, as a debt or other obligation, by giving or doing what is due or required. 

  • To be profitable for. 

  • To give (something else than money). 

  • To give money or other compensation to in exchange for goods or services. 

noun
  • Money given in return for work; salary or wages. 

adj
  • Operable or accessible on deposit of coins. 

  • Pertaining to or requiring payment. 

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