conn vs driver

conn

noun
  • The duty of directing a ship, usually used with the verb to have or to take and accompanied by the article "the." 

verb
  • To direct a ship; to superintend the steering of (a vessel); to watch the course of (a vessel) and direct the helmsman how to steer (especially through a channel, etc, rather than steer a compass direction). 

driver

noun
  • One who drives something, in any sense of the verb drive. 

  • A person who drives some other vehicle. 

  • A golf club used to drive the ball a great distance. 

  • A mallet. 

  • A cooper's hammer for driving on barrel hoops. 

  • A screwdriver. 

  • a kind of sail, smaller than a fore and aft spanker on a square-rigged ship, a driver is tied to the same spars. 

  • Something that drives something, in any sense of the verb drive. 

  • A pilot (person who flies aircraft). 

  • A device driver; a program that acts as an interface between an application and hardware, written specifically for the device it controls. 

  • A person who drives a motorized vehicle such as a car or a bus. 

  • A tamping iron. 

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