knockdown vs trade

knockdown

noun
  • An act of knocking down or the condition of being knocked down. 

  • The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface. 

  • A shelter erected for use as a temporary dressing room. 

  • A collection of parts required to assemble a product, typically manufactured in one region and exported elsewhere for assembly. 

  • a short pass played downwards, for example from the head onto someone's feet. 

  • A genetically modified organism that carries one or more genes in its chromosomes that have been made less active or had their expression reduced. 

  • The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene. 

  • An overwhelming blow. 

adj
  • To be formed into a head by upsetting in fastening. 

  • reduced in price, originally to a price below which an article would not be sold by the auctioneer 

  • powerful enough to overwhelm or knock down 

  • Capable of being taken apart for packing or removal. 

verb
  • To employ the knockdown technique 

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 knockdown and trade occurred in a corpus of books? (source: Google Ngram Viewer )