erect vs knockdown

erect

adj
  • Rigid, firm; standing out perpendicularly, especially as the result of stimulation. 

  • Having an erect penis. 

  • Upright; vertical or reaching broadly upwards. 

  • Watchful; alert. 

  • Elevated, as the tips of wings, heads of serpents, etc. 

verb
  • To animate; to encourage; to cheer. 

  • To spin up and align to vertical. 

  • To lift up; to elevate; to exalt; to magnify. 

  • To raise and place in an upright or perpendicular position; to set upright; to raise. 

  • To set up or establish; to found; to form; to institute. 

  • To put up by the fitting together of materials or parts. 

  • To enter a state of physiological erection. 

  • To cast or draw up (a figure of the heavens, horoscope etc.). 

  • To cause to stand up or out. 

  • To set up as an assertion or consequence from premises, etc. 

knockdown

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. 

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. 

verb
  • To employ the knockdown technique 

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