footstep vs gallop

footstep

noun
  • The sound made by walking, running etc. 

  • A step, as in a stair. 

  • The mark or impression left by a foot; a track. 

  • The act of taking a step. 

  • The distance between one foot and the next when walking; a pace. 

  • The indications or waypoints of a course or direction taken. 

gallop

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

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

  • An act or instance of going or running rapidly. 

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. 

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