assignee vs depositary

assignee

noun
  • one to whom rights or property is being transferred 

  • one to whom a thing is assigned 

  • one who is appointed to act or speak in place of another; an agent 

depositary

noun
  • One who receives goods or a deposit in trust. 

  • A place where deposits are kept 

adj
  • Acting as the trusted recipient of a deposit. 

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