start vs turn on

start

verb
  • To ready the operation of a vehicle or machine. 

  • To begin. 

  • To flinch or draw back. 

  • To awaken suddenly. 

  • To put or raise (a question, an objection); to put forward (a subject for discussion). 

  • To disturb and cause to move suddenly; to startle; to alarm; to rouse; to cause to flee or fly. 

  • To break away, to come loose. 

  • To put into play. 

  • To move suddenly from its place or position; to displace or loosen; to dislocate. 

  • To pour out; to empty; to tap and begin drawing from. 

  • To set in motion. 

  • To have its origin (at), begin. 

  • To bring onto being or into view; to originate; to invent. 

  • To jerk suddenly in surprise. 

  • To start one's periods (menstruation). 

  • To begin an activity. 

noun
  • The beginning point of a race, a board game, etc. 

  • An appearance in a sports game, horserace, etc., from the beginning of the event. 

  • The curved or inclined front and bottom of a water wheel bucket. 

  • The arm, or level, of a gin, drawn around by a horse. 

  • An initial advantage over somebody else; a head start. 

  • A handle, especially that of a plough. 

  • A young plant germinated in a pot to be transplanted later. 

  • A projection or protrusion; that which pokes out. 

  • The beginning of an activity. 

  • An instance of starting. 

  • A sudden involuntary movement. 

turn on

verb
  • To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.). 

  • To aim at. 

  • To depend upon; to pivot around, to have as a central subject. 

  • To fill with enthusiasm; to intoxicate, give pleasure to ( + to an object of interest or excitement). 

  • To start operating; to power up, to become on. 

  • To take drugs. 

  • To cause to take up drugs, especially hallucinogens. 

  • To set a flow of fluid or gas running by rotating a tap or valve. 

  • To violently rebel against; to suddenly attack. 

  • To sexually arouse. 

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