capriccio vs field day

capriccio

noun
  • A fantastical thing or work. 

  • A piece of music, usually fairly free in form and of a lively character. 

  • A type of landscape painting that places particular works of architecture in an unusual setting. 

  • A sudden and unexpected or fantastic motion; a caper (from same etymology, see below); a gambol; a prank, a trick. 

field day

noun
  • A great time or a great deal to do; a period of bustling activity. 

  • A great time or a great deal to do, at somebody else's expense. 

  • A day of class taken away from school for a field trip. 

  • A day on which there is top-to-bottom all-hands cleaning. 

  • A school day for athletic events; a sports day. 

  • A day for manoeuvres and tactical exercises in "the field". 

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