root cellar vs silo

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. 

silo

noun
  • from the shape, a building used for the storage of grain. 

  • An organizational unit that has poor interaction with other units, negatively affecting overall performance. 

  • A structure in the information system that is poorly networked with other structures, with data exchange hampered. 

  • In Microsoft Windows operating systems, a kernel object for isolating groups of threads. 

  • A self-enclosed group of like-minded individuals. 

  • A vertical building, usually cylindrical, used for the production of silage. 

  • An underground bunker used to hold missiles which may be launched. 

verb
  • To store in a silo. 

  • To separate; to isolate. 

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