acceptor vs assignee

acceptor

noun
  • One who accepts. 

  • One who accepts a draft or a bill of exchange; a drawee after he has accepted. 

  • A kind of finite-state machine whose binary output indicates whether or not a received input was accepted. 

  • An atom or molecule which can accept an electron to form a chemical bond. 

  • A transfer RNA molecule that can accept a specific amino acid 

  • A cluster of skin cells that respond to pain 

  • A chemical acceptor atom forming a positive hole in a semiconductor 

assignee

noun
  • one to whom a thing is assigned 

  • one to whom rights or property is being transferred 

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

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