swarm vs throng

swarm

verb
  • To fill a place as a swarm. 

  • To climb by gripping with arms and legs alternately. 

  • To overwhelm as by an opposing army. 

  • To breed multitudes. 

  • To move as a swarm. 

  • To teem, or be overrun with insects, people, etc. 

noun
  • A mass of people, animals or things in motion or turmoil. 

  • A large number of insects, especially when in motion or (for bees) migrating to a new colony. 

  • A group of nodes sharing the same torrent in a BitTorrent network. 

throng

verb
  • To crowd into a place, especially to fill it. 

  • To crowd or press, as persons; to oppress or annoy with a crowd of living beings. 

  • To congregate. 

noun
  • A group of people crowded or gathered closely together. 

  • A group of things; a host or swarm. 

adj
  • Filled with persons or objects; crowded. 

  • Busy; hurried. 

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