centralize vs depute

centralize

verb
  • To move power to a single, central authority 

  • To move things physically towards the centre; to consolidate or concentrate 

depute

noun
  • deputy 

verb
  • To appoint; to assign; to choose. 

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

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

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