capriole vs peacock

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. 

peacock

verb
  • To strut about proudly. 

  • To engage in peacocking, ostentatious dress or behaviour to impress women. 

noun
  • A male peafowl, especially Pavo cristatus, notable for its brilliant iridescently ocellated tail. 

  • A peafowl (of the genus Pavo or Afropavo), either male or female. 

  • Any of various Asian species of papilionid butterflies of the genus Papilio. 

  • A vainglorious person [from the 14th c.]. 

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