anchorman vs commenter

anchorman

noun
  • The last player in sequence, seated furthest to the right of the dealer. 

  • The most reliable runner in a relay team, usually the one that runs last. 

  • The person on a ship in charge of the anchor. 

  • The main host of a television or radio program, particularly one relating to the broadcast of news. 

commenter

noun
  • One who comments. 

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