catchment vs storage

catchment

noun
  • Any structure or land feature which catches and holds water; the collection of such water. 

  • A catchment area, or the people it serves. 

verb
  • To divide into catchment areas. 

storage

noun
  • An object or place in which something is stored. 

  • The act of storing goods; the state of being stored. 

  • The price charged for storing goods. 

  • Any computer device, including such as a disk, on which data is stored for a longer term than main memory. 

verb
  • To put into storage; to store. 

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