demand vs trade

demand

noun
  • The desire to purchase goods and services. 

  • An urgent request. 

  • 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. 

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. 

trade

noun
  • A particular instance of buying or selling. 

  • The skilled practice of a practical occupation. 

  • Those who perform a particular kind of skilled work. 

  • Those engaged in an industry or group of related industries. 

  • An occupation in the secondary sector, as opposed to an agricultural, professional or military one. 

  • The business given to a commercial establishment by its customers. 

  • Buying and selling of goods and services on a market. 

  • An instance of bartering items in exchange for one another. 

  • A publication intended for participants in an industry or related group of industries. 

  • A masculine man available for casual sex with men, often for pay. (Compare rough trade.) 

  • Steady winds blowing from east to west above and below the equator. 

  • Refuse or rubbish from a mine. 

adj
  • Of a product, produced for sale in the ordinary bulk retail trade and hence of only the most basic quality. 

verb
  • To recommend and get recommendations. 

  • To be traded at a certain price or under certain conditions. 

  • To engage in trade. 

  • To mutually exchange (something) (with). 

  • To give someone a plant and receive a different one in return. 

  • To have dealings; to be concerned or associated (with). 

  • To do business; offer for sale as for one's livelihood. 

  • To give (something) in exchange (for). 

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