capriole vs saltation

capriole

noun
  • A leap or caper, as in dancing. 

  • A leap that a horse makes with all fours, upwards only, without advancing, but with a kick or jerk of the hind legs when at the height of the leap. 

verb
  • To leap; to caper. 

  • To cause (one's mounted horse) to perform a capriole. 

saltation

noun
  • A leap, jump or dance. 

  • A sudden change from one generation to the next; a mutation. 

  • Any abrupt transition. 

  • Beating or palpitation. 

  • The transport of loose particles by a fluid (such as wind or flowing water). 

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