balmoral vs tennis shoe

balmoral

noun
  • An Oxford shoe. 

  • A Scottish cap with a flat top and a plume but no brim; a blue bonnet. 

  • A heavy walking shoe. 

  • A figured woollen petticoat. 

tennis shoe

noun
  • A specialty sports shoe designed for playing tennis. 

  • A sneaker (trainer). 

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