fastness vs gallop

fastness

noun
  • The quality or state of moving quickly; quickness, rapidity, swiftness. 

  • The ability of a dye to withstand fading. 

  • A fortified or secure place; a fortress, a stronghold. 

  • Something used to fasten or tie; a fastener or fastening. 

  • The quality or state of being strongly attached; firmness, secureness, tenacity. 

  • The quality or state of having an extravagant lifestyle or immoral habits. 

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. 

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