knockdown vs single

knockdown

verb
  • To employ the knockdown technique 

noun
  • 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. 

  • 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. 

single

verb
  • To thin out. 

  • To take the irregular gait called singlefoot. 

  • To reduce (a railway) to single track. 

  • To identify or select one member of a group from the others; generally used with out, either to single out or to single (something) out. 

  • To get a hit that advances the batter exactly one base. 

noun
  • A score of one point, awarded when a kicked ball is dead within the non-kicking team's end zone or has exited that end zone. 

  • A bill valued at $1. 

  • A 45 RPM vinyl record with one song on side A and one on side B. 

  • A tile that has a different value (i.e. number of pips) at each end. 

  • A single cigarette. 

  • A one-way ticket. 

  • A handful of gleaned grain. 

  • A popular song released and sold (on any format) nominally on its own though usually having at least one extra track. 

  • A shot of only one character. 

  • A score of one run. 

  • A game with one player on each side, as in tennis. 

  • One of the reeled filaments of silk, twisted without doubling to give them firmness. 

  • A floating-point number having half the precision of a double-precision value. 

  • One who is not married or does not have a romantic partner. 

  • A hit in baseball where the batter advances to first base. 

adj
  • Not accompanied by anything else; one in number. 

  • Designed for the use of only one. 

  • Performed by one person, or one on each side. 

  • Not divided in parts. 

  • Not married, and (in modern times) not dating or without a significant other. 

  • Having only one rank or row of petals. 

  • Uncompounded; pure; unmixed. 

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