knockdown vs shock

knockdown

noun
  • An overwhelming blow. 

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

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

  • 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. 

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 

shock

noun
  • A sudden, heavy impact. 

  • A state of distress following a mental or emotional disturbance. 

  • Electric shock, a sudden burst of electrical energy hitting a person or animal. 

  • Circulatory shock, a medical emergency characterized by the inability of the circulatory system to supply enough oxygen to meet tissue requirements. 

  • A shock absorber (typically in the suspension of a vehicle). 

  • A chemical added to a swimming pool to moderate the chlorine levels. 

  • An arrangement of sheaves for drying; a stook. 

  • A sudden or violent mental or emotional disturbance. 

  • A tuft or bunch of something, such as hair or grass. 

  • Something so surprising that it is stunning. 

  • A discontinuity arising in the solution of a partial differential equation. 

  • A shock wave. 

adj
  • Causing intense surprise, horror, etc.; unexpected and shocking. 

verb
  • To give an electric shock to. 

  • To subject to a shock wave or violent impact. 

  • To cause to be emotionally shocked; to cause (someone) to feel surprised and upset. 

  • To add a chemical to (a swimming pool) to moderate the chlorine levels. 

  • To collect, or make up, into a shock or shocks; to stook. 

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