overman vs ramrod

overman

noun
  • A person who supervises others; a supervisor, especially in a mine. 

  • A person with great powers; a superman. 

verb
  • To provide with too many personnel; overstaff. 

ramrod

noun
  • Ranch or trail foreman, usually the first or second person in charge. The person responsible for getting the work done. 

  • Device used with muzzleloaders to push the projectile up against the propellant. 

  • An erect penis. 

verb
  • To force. 

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