cuirassier vs hussar

cuirassier

noun
  • A cavalry soldier equipped with a cuirass (armor). 

hussar

noun
  • A member of the light cavalry of any of several European armies. 

  • A member of the national cavalry of Hungary, Croatia and Poland. 

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