enterprise vs run a train

enterprise

verb
  • To undertake; to begin and attempt to perform; to venture upon. 

  • To treat with hospitality; to entertain. 

  • To undertake an enterprise, or something hazardous or difficult. 

noun
  • Active participation in projects. 

  • A willingness to undertake new or risky projects; energy and initiative. 

  • An undertaking, venture, or project, especially a daring and courageous one. 

  • A company, business, organization, or other purposeful endeavor. 

run a train

verb
  • Used other than figuratively or idiomatically: see run, train. 

  • To have sex with someone multiple times in short succession. 

  • Synonym of gangbang: To have sex with someone as a line going one after the other. 

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