dive vs knockdown

dive

noun
  • A deliberate fall after a challenge. 

  • A downward swooping motion. 

  • A swim under water. 

  • A jump or plunge into water. 

  • Aerial descent with the nose pointed down. 

  • A decline. 

  • A seedy bar, nightclub, etc. 

  • A headfirst jump toward the ground or into another substance. 

verb
  • To deliberately fall down after a challenge, imitating being fouled, in the hope of getting one's opponent penalised. 

  • To descend sharply or steeply. 

  • To cause to descend, dunk; to plunge something into water. 

  • To jump headfirst toward the ground or into another substance. 

  • To undertake with enthusiasm. 

  • To swim under water. 

  • To explore by diving; to plunge into. 

  • To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore. 

  • To jump into water head-first. 

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. 

verb
  • To employ the knockdown technique 

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. 

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