captain vs director

captain

noun
  • A chief or leader. 

  • An honorific title given to a prominent person. See colonel. 

  • The head boy of a school. 

  • A maître d', a headwaiter. 

  • An army officer with a rank between the most senior grade of lieutenant and major. 

  • A naval officer with a rank between commander and commodore. 

  • The person lawfully in command of a ship or other vessel. 

  • One of the athletes on a sports team who is designated to make decisions, and is allowed to speak for his team with a referee or official. 

  • A commissioned officer in the United States Navy, Coast Guard, NOAA Corps, or PHS Corps of a grade superior to a commander and junior to a rear admiral (lower half). A captain is equal in grade or rank to a United States Army, Marine Corps, or Air Force colonel. 

  • The leader of a group of workers. 

verb
  • To act as captain 

  • To exercise command of a ship, aircraft or sports team. 

director

noun
  • One who directs; the person in charge of managing a department or directorate (e.g., director of engineering), project, or production (as in a show or film, e.g., film director). 

  • A device that displays graphical information concerning the targets of a weapons system in real time. 

  • A counselor, confessor, or spiritual guide. 

  • The common axis of symmetry of the molecules of a liquid crystal. 

  • A member of a board of directors. 

  • That which directs or orientates something. 

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