conga vs promenade

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. 

promenade

verb
  • To perform the stylized walk of a square dance. 

  • To walk for amusement, show, or exercise. 

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 conga and promenade occurred in a corpus of books? (source: Google Ngram Viewer )