ballet vs polo

ballet

noun
  • A classical form of dance. 

  • A light part song, frequently with a fa-la-la chorus, common among Elizabethan and Italian Renaissance composers. 

  • The company of persons who perform this dance. 

  • A theatrical presentation of such dancing, usually with music, sometimes in the form of a story. 

  • A bearing in coats of arms representing one or more balls, called bezants, plates, etc., according to colour. 

  • Any intricate series of operations involving coordination between individuals. 

verb
  • To perform an action reminiscent of ballet dancing. 

polo

noun
  • 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 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 dress shirt. 

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