reservoir vs store

reservoir

noun
  • A place where anything is kept in store. 

  • A species that acts as host to a zoonosis when it is not causing acute illness in other susceptible species. 

  • A "black box" component that receives an input signal to be read out and mapped by another process, as part of reservoir computing. 

  • A small intercellular space, often containing resin, essential oil, or some other secreted matter. 

  • A supply or source of something. 

  • A large natural or artificial lake used as a source of water supply. 

verb
  • To store or keep (something) in or as in a reservoir. 

store

noun
  • A place where items may be purchased; a shop. 

  • A head of store cattle (feeder cattle to be sold to others for finishing); a store cattle beast. 

  • A supply held in storage. 

  • A great quantity or number; abundance. 

  • A place where items may be accumulated or routinely kept. 

verb
  • To keep (something) while not in use, generally in a place meant for that purpose. 

  • To write (something) into memory or registers. 

  • Contain. 

  • Have the capacity and capability to contain. 

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