intent vs purpose

intent

noun
  • Something that is intended. 

  • The state of someone’s mind at the time of committing an offence. 

adj
  • Engrossed. 

  • Firmly fixed or concentrated on something. 

  • Unwavering from a course of action. 

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 intent and purpose occurred in a corpus of books? (source: Google Ngram Viewer )