direct vs knockdown

direct

adj
  • In the line of descent; not collateral. 

  • having a single flight number. 

  • Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end. 

  • Pertaining to, or effected immediately by, action of the people through their votes instead of through one or more representatives or delegates. 

  • Immediate; express; plain; unambiguous. 

  • Proceeding without deviation or interruption. 

  • Straightforward; sincere. 

  • In the direction of the general planetary motion, or from west to east; in the order of the signs; not retrograde; said of the motion of a celestial body. 

verb
  • To manage, control, steer. 

  • To aim (something) at (something else). 

  • To point out to or show (somebody) the right course or way; to guide, as by pointing out the way. 

  • To point out to with authority; to instruct as a superior; to order. 

adv
  • Directly. 

knockdown

adj
  • reduced in price, originally to a price below which an article would not be sold by the auctioneer 

  • To be formed into a head by upsetting in fastening. 

  • powerful enough to overwhelm or knock down 

  • Capable of being taken apart for packing or removal. 

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. 

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