conn vs jockey

conn

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). 

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

jockey

verb
  • To maneuver (something) by skill for one's advantage. 

  • To cheat or trick. 

  • To jostle by riding against. 

  • To ride (a horse) in a race. 

noun
  • A rapist. 

  • One who rides racehorses competitively. 

  • An operator of some machinery or apparatus. 

  • A prostitute's client. 

  • That part of a variable resistor or potentiometer that rides over the resistance wire 

  • The selling of an unsound horse for a sound price is regarded by a Yorkshire jockey 

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