bebop vs jitterbug

bebop

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

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

  • To walk in an easygoing, carefree manner. 

jitterbug

noun
  • A jazz musician or aficionado. 

  • An uptempo jazz or swing dance which embellishes on the two-step pattern and frequently incorporates acrobatic style swing steps. 

  • Synonym of diddley bow (“type of stringed instrument”) 

  • A nervous or jittery person. 

verb
  • To dance the jitterbug. 

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