ambition vs enterprise

ambition

verb
  • To seek after ambitiously or eagerly; to covet. 

noun
  • Eager or inordinate desire for some object that confers distinction, as preferment, honor, superiority, political power, or fame; desire to distinguish one's self from other people. 

  • An object of an ardent desire. 

  • A personal quality similar to motivation, not necessarily tied to a single goal. 

  • A desire, as in (sense 1), for another person to achieve these things. 

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. 

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