act on vs ambition

act on

verb
  • Το act accordingly to a (usually sublimated) desire or impulse. 

  • To affect something. 

  • To act decisively on the basis of information received or deduced. 

  • To take action against something. 

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. 

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