noose vs quicksand

noose

noun
  • An adjustable loop of rope, such as the one placed around the neck in hangings, or the one at the end of a lasso. 

verb
  • To tie or catch in a noose; to entrap or ensnare. 

quicksand

noun
  • Anything that pulls one down or buries one metaphorically 

  • Wet sand that appears firm but in which things readily sink, often found near rivers or coasts. 

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