big house vs château

big house

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

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

  • Prison, jail. 

château

noun
  • A French castle, fortress, manor house, or large country house. 

  • Any stately residence imitating a distinctively French castle. 

  • An estate where wine is produced and often bottled, especially in Bordeaux. 

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