capriole vs romp

capriole

verb
  • To leap; to caper. 

  • To cause (one's mounted horse) to perform a capriole. 

noun
  • A leap or caper, as in dancing. 

  • A leap that a horse makes with all fours, upwards only, without advancing, but with a kick or jerk of the hind legs when at the height of the leap. 

romp

verb
  • To play about roughly, energetically or boisterously. 

  • (Often used with down) To press forcefully, to encourage vehemently, to oppress. 

  • To engage in playful or boisterous sex. 

  • To win easily. 

  • To move with little effort relatively quickly. 

noun
  • An enjoyable, fast-paced but essentially inconsequential film, play, or other piece of entertainment. 

  • A decisive victory; a game, match etc. which is won easily. 

  • A period of boisterous play, a frolic; now especially, a bout of sexual activity, especially when illicit. 

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