goal vs purpose

goal

noun
  • A noun or noun phrase that receives the action of a verb. The subject of a passive verb or the direct object of an active verb. Also called a patient, target, or undergoer. 

  • A point scored in a game as a result of placing the object into the goal. 

  • The act of placing the object into the goal. 

  • A result that one is attempting to achieve. 

  • In many sports, an area into which the players attempt to put an object. 

verb
  • To score a goal. 

purpose

noun
  • meaning for existing or doing something. 

  • Resolution; determination. 

  • Function, role. 

  • The end for which something is done, is made or exists. 

verb
  • To have or set as one's purpose or aim; resolve to accomplish; intend; plan. 

  • To have (an) intention, purpose, or design; to intend; to mean. 

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