gone fishing vs working

gone fishing

adj
  • Used other than figuratively or idiomatically: see go, fishing. 

  • Unavailable, having taken time off for recreation. 

  • Absentminded. 

  • Crazy; insane. 

working

noun
  • Method of operation. 

  • Becoming full of a vegetable substance. 

  • Operation; action. 

  • The incidental or subsidiary calculations performed in solving an overall problem. 

  • A train movement. 

  • Fermentation. 

  • A place where work is carried on. 

adj
  • In paid employment. 

  • Enough to allow one to use something. 

  • Used in real life; practical. 

  • Of or relating to employment. 

  • That suffices but requires additional work. 

  • That is or are functioning. 

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