gambade vs saltation

gambade

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 gambade and saltation occurred in a corpus of books? (source: Google Ngram Viewer )