den vs quarry

den

noun
  • A small cavern or hollow place in the side of a hill, or among rocks; especially, a cave used by a wild animal for shelter or concealment. 

  • Synonym of fort (“structure improvised from furniture, etc. for playing games.”) 

  • A comfortable room not used for formal entertaining. 

  • A group of Cub Scouts of the same age who work on projects together. 

  • A squalid or wretched place; a haunt. 

verb
  • To ensconce or hide oneself in (or as in) a den. 

quarry

noun
  • A site for mining stone, limestone, or slate. 

  • An animal, often a bird or mammal, which is hunted. 

  • An object of search or pursuit. 

  • A diamond-shaped tile or pane, often of glass or stone. 

verb
  • To secure prey; to prey, as a vulture or harpy. 

  • To obtain (or mine) stone by extraction from a quarry. 

  • To extract or slowly obtain by long, tedious searching. 

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