bolster vs bring down

bolster

verb
  • To brace, reinforce, secure, or support. 

noun
  • The metallic end of a pocketknife handle. 

  • A large cushion or pillow. 

  • A small spacer located on top of the axle of horse-drawn wagons that gives the front wheels enough clearance to turn. 

  • The perforated plate in a punching machine on which anything rests when being punched. 

  • A pad, quilt, or anything used to hinder pressure, support part of the body, or make a bandage sit easy upon a wounded part; a compress. 

  • A block of wood on the carriage of a siege gun, upon which the breech of the gun rests when arranged for transportation. 

  • A short, horizontal structural timber between a post and a beam for enlarging the bearing area of the post and/or reducing the span of the beam. 

  • The rolls forming the ends or sides of the Ionic capital. 

  • A beam in the middle of a railway truck, supporting the body of the car. 

  • The part of a knife blade that abuts upon the end of the handle. 

bring down

verb
  • To humble. 

  • To cause to fall down, e.g. in an accident. 

  • To reduce. 

  • To make something, especially something flying, fall to the ground, usually by firing a weapon of some kind. 

  • To make someone feel bad emotionally. 

  • To make a ruler lose their position of power. 

  • To cause an opponent to fall after a tackle. 

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