acceptor vs promoter

acceptor

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

  • 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. 

  • One who accepts. 

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

  • A cluster of skin cells that respond to pain 

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

promoter

noun
  • The section of DNA that controls the initiation of RNA transcription as a product of a gene. 

  • One who promotes entertainment events or goods. 

  • An accelerator of catalysis that is not itself a catalyst. 

  • One who promotes. 

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