conn vs officer

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). 

officer

noun
  • An agent or servant imparted with the ability, to some degree, to act on initiative. 

  • A respectful term of address for an officer, especially a police officer. 

  • One who has a position of authority in a hierarchical organization, especially in military, police or government organizations. 

  • One who holds a public office. 

  • A commissioned officer. 

verb
  • To supply with officers. 

  • To command as or like an officer. 

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