gallop vs velocity

gallop

noun
  • An act or instance of going or running rapidly. 

  • The fastest gait of a horse, a two-beat stride during which all four legs are off the ground simultaneously. 

  • An abnormal rhythm of the heart, made up of three or four sounds, like a horse's gallop. 

verb
  • To go rapidly or carelessly, as in making a hasty examination. 

  • To ride at a galloping pace. 

  • To make electrical or other utility lines sway and/or move up and down violently, usually due to a combination of high winds and ice accrual on the lines. 

  • To run very fast. 

  • To progress rapidly through the body. 

  • To run at a gallop. 

  • To cause to gallop. 

velocity

noun
  • Rapidity of motion. 

  • A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component. 

  • The number of times that an average unit of currency is spent during a specific period of time. 

  • The rate of occurrence. 

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