adoption vs purpose

adoption

noun
  • The choosing and making that to be one's own which originally was not so; acceptance 

  • The state of being adopted; the acceptance of a child of other parents as if he or she were one's own child. 

  • An act of divine grace by which the redeemed in Christ are admitted to the privileges of the sons of God. 

  • Transfer between an old system to another (usually better) system. 

  • Ten consecutive wins against an opponent. 

  • The act of adopting. 

  • Admission to an institution, for example a hospital, clinic, mental asylum. 

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