acceptor vs preserver

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 

preserver

noun
  • One who preserves. 

  • A person who prepares preserves of fruit or preserved meats. 

  • A person who refinishes furniture. 

  • A life preserver. 

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