fiddle (with) vs massage

fiddle (with)

massage

verb
  • To falsify (data or accounts). 

  • To rub and knead (someone's body or a part of a body), to perform a massage on (somebody). 

  • To manipulate (data, a document etc.) to make it more presentable or more convenient to work with. 

noun
  • The action of rubbing, kneading or hitting someone's body, to help the person relax, prepare for muscular action (as in contact sports) or to relieve aches. 

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