baseball vs polo

baseball

noun
  • A sport common in North America, the Caribbean, and Japan, in which the object is to strike a ball so that one of a nine-person team can run counter-clockwise among four bases, resulting in the scoring of a run. The team with the most runs after termination of play, usually nine innings, wins. 

  • The ball used to play the sport of baseball. 

  • A variant of poker in which cards with baseball-related values have special significance. 

polo

noun
  • A ball game where two teams of players on horseback use long-handled mallets to propel the ball along the ground and into their opponent's goal. 

  • A Spanish gypsy dance characterized by energetic movements of the body while the feet merely shuffle or glide, with unison singing and rhythmic clapping of hands. 

  • A polo shirt. 

  • The game of ice polo, one of the ancestors of ice hockey; a similar game played on the ice, or on a prepared floor, by players wearing skates. 

  • A dress shirt. 

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