newsreader vs subeditor

newsreader

noun
  • An anchorman in a news program, a news anchor, newscaster. 

  • A program for reading and posting to newsgroups. 

subeditor

noun
  • A copy editor at a newspaper or magazine. 

  • An assistant editor, usually in a specific department of a newspaper. 

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