bagman vs roadman

bagman

noun
  • A bookmaker. 

  • A caddy. 

  • A person who collects, transports, or distributes illicit money, especially for the purpose of bribery, extortion, or the making of other improper payments. 

  • An assistant to a police detective, most commonly in the British police force. 

  • An officer assigned to travel with the president and carry the "nuclear football". 

  • A prominent fundraiser for a political party or similar cause 

roadman

noun
  • A man who builds or repairs roads. 

  • A member of a subculture characterised by their clothing (notably puffer jackets and sportswear) as street fashion and the music they listen to, notably drill music. 

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