storehouse vs storeroom

storehouse

noun
  • A building for keeping goods of any kind, especially provisions. 

  • A single location or resource where a large quantity of something can be found. 

verb
  • To lay up in store. 

storeroom

noun
  • A room used for storage. 

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