ambition vs preference

ambition

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

  • 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. 

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

preference

noun
  • The state of being preferred over others. 

  • The option to so select, and the one selected. 

  • The selection of one thing or person over others (with the main adposition being "for" in relation to the thing or person, but possibly also "of") 

  • Preferans, a card game, principally played in Eastern Europe. 

  • A strong liking or personal valuation. 

  • A preferential bias; partiality; discrimination. 

verb
  • To give preferential treatment to; to give a preference to. 

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