icebox vs icehouse

icebox

noun
  • A box or compartment containing ice, typically used to keep provisions cool. 

  • A compartment in a refrigerator that is colder than the rest of the refrigerator and is used as a freezer. 

  • A prison. 

  • A morgue. 

adj
  • agreeable, awesome. (as a superlative of cool) 

icehouse

noun
  • A deep cellar or outdoor building used for the storage of ice or snow; sometimes also used to store food at low temperature. 

  • An ice hockey rink. 

  • A cold state in global climate. 

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