delegate vs notary public

delegate

noun
  • A person authorized to act as representative for another; a deputy. 

  • A representative at a conference, etc. 

  • A type of variable storing a reference to a method with a particular signature, analogous to a function pointer. 

  • An appointed representative in some legislative bodies. 

verb
  • (of a subdomain) to give away authority over a subdomain; to allow someone else to create sub-subdomains of a subdomain of one's own 

  • to authorize someone to be a delegate 

  • to commit a task to someone, especially a subordinate 

notary public

noun
  • An officer who can administer oaths and statutory declarations, witness and authenticate documents and perform certain other acts varying from jurisdiction to jurisdiction. 

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