creation vs pile-up

creation

noun
  • Something created such as an invention or artwork. 

  • All which exists. 

  • The act of creating something. 

pile-up

noun
  • A pile of tackling players. 

  • An accumulation that occurs over time, especially one which is not welcome. 

  • A pile of crashed vehicles due to a traffic accident. 

How often have the words creation and pile-up occurred in a corpus of books? (source: Google Ngram Viewer )