exodus vs getaway

exodus

noun
  • A sudden departure of a large number of people. 

verb
  • To depart from a place in a large group. 

getaway

noun
  • The effecting of an escape. 

  • A vacation or holiday, or the destination for one. 

  • A means of escape. 

adj
  • Pertaining to an escape, as in a vehicle or plans. 

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