explanation vs startup

explanation

noun
  • The act or process of explaining. 

  • Something that explains, makes understandable. 

  • A resolution of disputed points pursuant to discussion; a mutual clarification of disputed points; reconciliation. 

startup

noun
  • The act or process of starting a process or machine. 

  • A new company or organization or business venture designed for rapid growth. 

  • A folder (especially in Windows), containing shortcuts of applications or programs that start up automatically after a user signs in. 

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