cavort vs curvet

cavort

verb
  • To prance, frolic, gambol. 

  • To move about carelessly, playfully or boisterously. 

  • To engage in extravagant pursuits, especially of a sexual nature. 

curvet

verb
  • (of a person) To prance; to caper, frolic. 

  • To fly or swim with darting movements. 

  • Of a horse or, by extension, another animal: to leap about, to frolic. 

  • (of an object) To jump, skip, shake. 

  • To cause to leap about, dart or jump. 

noun
  • A prank; a frolic. 

  • A particular leap in which a horse raises both forelegs at once, equally advanced, and, as the forelegs are falling, raises the hind legs, so that all the legs are in the air at once. 

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