accrual vs heap

accrual

noun
  • An increase; something that accumulates, especially an amount of money that periodically accumulates for a specific purpose 

  • from the creditor's viewpoint, a charge incurred in one accounting period that has not been, but is to be, paid by the end of it. 

heap

noun
  • A lot, a large amount 

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

  • 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. 

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

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 

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