Leavenworth vs big house

Leavenworth

name
  • A surname. 

  • A city, the county seat of Leavenworth County, Kansas. 

  • A town in Indiana; named for founders Zebulon and Seth Leavenworth. 

  • A city in Washington. 

  • An unincorporated community in Minnesota; named for American soldier Henry Leavenworth. 

big house

noun
  • Used other than figuratively or idiomatically: see big, house. 

  • A religious building of the Delaware Indians, representing the cosmos. 

  • Prison, jail. 

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