cache vs ordnance depot

cache

verb
  • To place in a cache. 

  • To store data in a cache. 

noun
  • A fast temporary storage where recently or frequently used information is stored to avoid having to reload it from a slower storage medium. 

  • A container containing treasure in a global treasure-hunt game. 

  • A store of things that may be required in the future, which can be retrieved rapidly, protected or hidden in some way. 

ordnance depot

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