jouster vs sportsman

jouster

noun
  • A person who jousts. 

  • A horse used as a mount when jousting. 

sportsman

noun
  • A man who engages in sports; an athlete. 

  • A man who exhibits good sportsmanship, or who exhibits sportsmanship as specified (good or bad). 

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