depute vs devolve

depute

verb
  • To delegate (a task, etc.) to a subordinate. 

  • To appoint; to assign; to choose. 

  • To deputize (someone), to appoint as deputy. 

noun
  • deputy 

devolve

verb
  • To delegate (a responsibility, duty, etc.) on or upon someone. 

  • To be inherited by someone else; to pass down upon the next person in a succession, especially through failure or loss of an earlier holder. 

  • To degenerate; to break down. 

  • To fall as a duty or responsibility on or upon someone. 

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