gallop vs sough

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. 

sough

noun
  • A murmuring sound; rushing, rustling, or whistling sound. 

  • A gentle breeze; a waft; a breath. 

  • A (deep) sigh. 

  • A small drain; an adit. 

verb
  • To make a soft rustling or murmuring sound. 

  • To drain. 

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