fueling vs startup

fueling

noun
  • The act or process by which something is fueled. 

verb
  • (Canadian spelling, common) present participle of fuel 

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 fueling and startup occurred in a corpus of books? (source: Google Ngram Viewer )