jitterbug vs lurch

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. 

lurch

noun
  • A sudden or unsteady movement. 

  • A double score in cribbage for the winner when his/her adversary has not yet pegged his/her 31st hole. 

  • An old game played with dice and counters; a variety of the game of tables. 

verb
  • To defeat in the game of cribbage with a lurch (double score as explained under noun entry). 

  • To make such a sudden, unsteady movement. 

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