buttery vs root cellar

buttery

noun
  • A room for keeping food or beverages; a storeroom. 

  • A room in a university where snacks are sold. 

adj
  • Made with or tasting of butter. 

  • Resembling butter in some way, such as yellow color or smooth texture. 

  • Marked by insincere flattery; obsequious. 

root cellar

noun
  • A structure built underground or partially underground and used to store vegetables, fruits, and nuts or other foods. 

verb
  • To cellar (food) in a root cellar. 

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