purpose vs start

purpose

verb
  • To have (an) intention, purpose, or design; to intend; to mean. 

  • To have or set as one's purpose or aim; resolve to accomplish; intend; plan. 

noun
  • meaning for existing or doing something. 

  • Resolution; determination. 

  • Function, role. 

  • The end for which something is done, is made or exists. 

start

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

  • 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 jerk suddenly in surprise. 

  • To start one's periods (menstruation). 

  • To begin an activity. 

  • To ready the operation of a vehicle or machine. 

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. 

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