torrent vs welling up

torrent

verb
  • To download in a torrent. 

noun
  • A large amount or stream of something. 

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

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

adj
  • Rolling or rushing in a rapid stream. 

welling up

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