bargain vs trade

bargain

verb
  • To transfer for a consideration; to barter; to trade 

  • To make a bargain; to make a deal or contract for the exchange of property or services; to negotiate 

noun
  • An item purchased for significantly less than the usual, or recommended, price 

  • A gainful transaction; an advantageous purchase. 

  • An agreement between parties concerning the sale of property; or a contract by which one party binds himself to transfer the right to some property for a consideration, and the other party binds himself to receive the property and pay the consideration. 

  • The thing stipulated or purchased. 

  • An agreement or stipulation; mutual pledge. 

trade

verb
  • To engage in trade. 

  • To recommend and get recommendations. 

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

  • 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). 

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

noun
  • The skilled practice of a practical occupation. 

  • A particular instance of buying or selling. 

  • 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. 

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