jitterbug vs mania

jitterbug

noun
  • A nervous or jittery person. 

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

  • A jazz musician or aficionado. 

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

verb
  • To dance the jitterbug. 

mania

noun
  • The state of abnormally elevated or irritable mood, arousal, and/or energy levels. 

  • Dotcom mania was slow in coming to higher education, but now it has the venerable industry firmly in its grip. Since the launch early last year of Udacity and Coursera, two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. 

  • Violent derangement of mind; madness; insanity. 

  • Excessive or unreasonable desire; insane passion affecting one or many people; fanaticism. 

  • 2013-07-20, “The attack of the MOOCs”, in The Economist, volume 408, number 8845 

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