godfather vs groomsman

godfather

noun
  • A man present at the christening of a baby who promises to help raise the child in a Christian manner; a male godparent who sponsors the baptism of a child. 

  • A mafia leader. 

  • A small post which is used in repairing a fence. For instance attached to and supporting an existing broken fence post. 

verb
  • To act as godfather or guardian to. 

groomsman

noun
  • A man who serves as one of a number of attendants to a bridegroom at a wedding, one of whom is the best man. 

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