bebop vs promenade

bebop

verb
  • To walk in an easygoing, carefree manner. 

  • To participate in bebop jazz, such as by dancing in a way associated with the genre. 

noun
  • An early form of modern jazz played by small groups and featuring driving rhythms and complex, often dissonant harmonies. 

promenade

verb
  • To walk for amusement, show, or exercise. 

  • To perform the stylized walk of a square dance. 

noun
  • A dance motion consisting of a walk, done while square dancing. 

  • A prom (dance). 

  • A place where one takes a walk for leisurely pleasure, or for exercise, especially a terrace by the seaside. 

  • A walk taken for pleasure, display, or exercise; a stroll. 

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