dine in vs eat in

dine in

verb
  • To eat in; to eat a purchased meal on the premises where one bought it, rather than taking it away. 

eat in

verb
  • To eat a purchased meal on the premises where one bought it, rather than taking it away. 

  • To etch or erode a substance. 

  • To eat a meal at home. 

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