communicator vs disc jockey

communicator

noun
  • Someone who, or something that communicates. 

  • Any of several electronic devices that allow people with various disabilities to communicate via displays or artificial speech. 

  • A usually portable communications device. 

disc jockey

noun
  • A person who plays, and sometimes mixes, recorded music at nightclubs, dances, parties, or some other social event; and/or as a backup musician for spoken word, or hip hop performers. 

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