demand vs exact

demand

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. 

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. 

exact

verb
  • To make desirable or necessary. 

  • To demand and enforce the payment or performance of, sometimes in a forcible or imperious way. 

  • To inflict; to forcibly obtain or produce. 

adv
  • exactly 

adj
  • Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual. 

  • Such that the kernel of one homomorphism is the image of the preceding one. 

  • Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect. 

  • Precisely or definitely conceived or stated; strict. 

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