delegate vs pass on

delegate

verb
  • to commit a task to someone, especially a subordinate 

  • (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 

noun
  • 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. 

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

pass on

verb
  • To convey or communicate. 

  • To go forward. 

  • To die. 

  • To transfer (something) to someone, especially by handing or bequeathing it to the next person in a series. 

  • To skip or decline. 

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