heap vs pocket billiards

heap

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

  • 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 dilapidated place or vehicle. 

  • A great number or large quantity of things. 

verb
  • To pile in a heap. 

  • To supply in great quantity. 

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

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

pocket billiards

noun
  • Synonym of pocket pool 

  • Any of a family of billiards games played on a specific class of billiards table, having six receptacles called pockets along the rails, in which balls are deposited as the main goal of play. 

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