aim vs ambition

aim

verb
  • To direct the intention or purpose; to attempt the accomplishment of a purpose; to try to gain; to endeavor;—followed by at, or by an infinitive 

  • To point or direct a missile, or a weapon which propels as missile, towards an object or spot with the intent of hitting it 

  • To direct (something verbal) towards a certain person, thing, or group 

  • To direct or point (e.g. a weapon), at a particular object; to direct, as a missile, an act, or a proceeding, at, to, or against an object 

noun
  • Intention or goal 

  • The ability of someone to aim straight; one's faculty for being able to hit a physical target 

  • The point intended to be hit, or object intended to be attained or affected. 

  • The pointing of a weapon, as a gun, a dart, or an arrow, or object, in the line of direction with the object intended to be struck; the line of fire; the direction of anything, such as a spear, a blow, a discourse, a remark, towards a particular point or object, with a view to strike or affect it. 

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 aim and ambition occurred in a corpus of books? (source: Google Ngram Viewer )