agree vs demand

agree

verb
  • To consent to a contract or to an element of a contract. 

  • To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise. 

  • To be in harmony about an opinion, statement, or action; to have a consistent idea between two or more people. 

  • To suit or be adapted in its effects; to do well. 

  • To give assent; to accede 

  • To correspond to (another word) in a grammatical category, such as gender, number, case, or person. 

  • To yield assent to; to approve. 

  • To resemble; to coincide; to correspond. 

demand

verb
  • To claim a right to something. 

  • To require of someone. 

  • To ask forcefully for information. 

  • To request forcefully. 

  • 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. 

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