cracking vs eagle

cracking

noun
  • The formation of cracks on a surface. 

  • The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline. 

  • The production of a crack sound. 

adv
  • Very, usually associated with praise. 

adj
  • Enjoyable. 

  • That cracks; that produces a sharp sound as of something splitting or breaking. 

  • Great. 

eagle

noun
  • A score of two under par for a hole. 

  • A 13th-century coin minted in Europe and circulated in England as a debased sterling silver penny, outlawed under Edward I of England. 

  • A gold coin with a face value of ten dollars, formerly used in the United States. 

  • Any of several large carnivorous and carrion-eating birds in the family Accipitridae, having a powerful hooked bill and keen vision. 

verb
  • To score an eagle. 

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