crash vs knockdown

crash

noun
  • A type of rough linen. 

  • A sudden, intense, loud sound, as made for example by cymbals. 

  • A group of rhinoceroses. 

  • An automobile, airplane, or other vehicle accident. 

  • A sudden large decline of business or the prices of stocks (especially one that causes additional failures). 

  • A sudden decline in any living form's population levels, often leading to extinction. 

  • A malfunction of computer software or hardware which causes it to shut down or become partially or totally inoperable. 

  • A comedown from a drug. 

adj
  • Quick, fast, intensive, impromptu. 

verb
  • To hit or strike with force 

  • To make or experience informal temporary living arrangements, especially overnight. 

  • To lie down for a long rest, sleep or nap, as from tiredness or exhaustion. 

  • To give, as a favor. 

  • To accelerate a project or a task or its schedule by devoting more resources to it. 

  • To collide with something destructively, fall or come down violently. 

  • To terminate extraordinarily. 

  • To cause to terminate extraordinarily. 

  • To experience a period of depression and/or lethargy after a period of euphoria, as after the euphoric effect of a psychotropic drug has dissipated. 

  • To make a sudden loud noise. 

  • To severely damage or destroy something by causing it to collide with something else. 

  • To take a sudden and severe turn for the worse; to rapidly deteriorate. 

knockdown

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

  • 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 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 

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