den vs heap

den

noun
  • A squalid or wretched place; a haunt. 

  • 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 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. 

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

heap

noun
  • A dilapidated place or vehicle. 

  • A data structure consisting of trees in which each node is greater than all its children. 

  • A lot, a large amount 

  • A crowd; a throng; a multitude or great number of people. 

  • Memory that is dynamically allocated. 

  • A great number or large quantity of things. 

  • A pile or mass; a collection of things laid in a body, or thrown together so as to form an elevation. 

adv
  • very; representing broken English stereotypically or comically attributed to Native Americans 

verb
  • To pile in a heap. 

  • To supply in great quantity. 

  • To form or round into a heap, as in measuring. 

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