ambition vs come on

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. 

come on

verb
  • To encounter, discover; to come upon. 

  • Elaboration of come (in the sense of move towards the speaker or other focus), emphasising motion or progress, or conveying a nuance of familiarity or encouragement. 

  • To be broadcast (through a device), or (of a broadcast) to begin playing. 

  • To appear on a stage or in a performance. 

  • To activate; to turn on. 

  • To enter the playing field. 

  • To show sexual or relational interest through words or sometimes actions. 

  • To progress, to develop. 

  • To get one's period, start menstruating. 

intj
  • An expression of defiance or as a challenge; approach; come at me. 

  • Synonym of let's go, a cheer or expression of support, encouragement, &c. 

  • Come along with me; join me in going. 

  • An expression of disbelief. 

  • An expression of frustration, exasperation, or impatience; hurry up. 

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