merry vs rocking

merry

adj
  • Jolly and full of high spirits; happy. 

  • Festive and full of fun and laughter. 

  • Brisk 

  • Causing laughter, mirth, gladness, or delight. 

  • drunk; tipsy 

noun
  • An English wild cherry. 

rocking

adj
  • Excellent; great. 

  • Shaking, swaying or moving back and forth. 

noun
  • The abrading of a copper plate with a rocker, preparatory to mezzotinting. 

  • The motion by which the design on a steel mill is transferred to a copper cylinder. 

  • The motion of something that rocks. 

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