flash flood vs torrent

flash flood

noun
  • A sudden, rapid flood, usually of short duration and local impact. 

torrent

noun
  • A violent flow, as of water, lava, etc.; a stream suddenly raised and running rapidly, as down a precipice. 

  • A large amount or stream of something. 

  • A set of files obtainable through a peer-to-peer network, especially BitTorrent. 

verb
  • To download in a torrent. 

adj
  • Rolling or rushing in a rapid stream. 

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