conga vs frolic

conga

verb
  • To dance the conga. 

noun
  • A tall, narrow, single-headed Cuban hand drum of African origin. 

  • A march of Cuban origin in four-four time in which people form a chain, each holding the hips of the person in front of them; in each bar, dancers take three shuffle steps and then kick alternate legs outwards at the beat; the chain weaves around the place and allows new participants to join the back of the chain. 

frolic

verb
  • To make merry; to have fun; to romp; to behave playfully and uninhibitedly. 

noun
  • Gaiety; merriment. 

  • A playful antic. 

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