lake vs reservoir

lake

noun
  • A large, landlocked stretch of water or similar liquid. 

  • A small stream of running water; a channel for water; a drain. 

  • Play; sport; game; fun; glee. 

  • In dyeing and painting, an often fugitive crimson or vermillion pigment derived from an organic colorant (cochineal or madder, for example) and an inorganic, generally metallic mordant. 

  • A large amount of liquid; as, a wine lake. 

  • In the composition of colors for use in products intended for human consumption, made by extending on a substratum of alumina, a salt prepared from one of the certified water-soluble straight colors. 

verb
  • To leap, jump, exert oneself, play. 

  • To make lake-red. 

reservoir

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

  • 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 place where anything is kept in store. 

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

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