activate vs end

activate

verb
  • To render more reactive; excite. 

  • To organize or create a military unit or station. 

  • To bring a player back after an injury. 

  • To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable. 

  • To render a substance radioactive. 

  • To hasten a chemical reaction, especially by heating. 

  • To remove the limitations of demoware by providing a license; to unlock. 

  • To render a molecule reactive, active, or effective in performing its function. 

  • To encourage development or induce increased activity; to stimulate. 

  • To aerate in order to aid decomposition of organic matter. 

end

verb
  • To finish, terminate. 

  • to come to an end 

noun
  • A period of play in which each team throws eight rocks, two per player, in alternating fashion. 

  • An ideal point of a graph or other complex. See End (graph theory) 

  • The most extreme point of an object, especially one that is longer than it is wide. 

  • Result. 

  • The cessation of an effort, activity, state, or motion. 

  • A purpose, goal, or aim. 

  • The terminal point of something in space or time. 

  • One of the yarns of the worsted warp in a Brussels carpet. 

  • Money. 

  • One of the two parts of the ground used as a descriptive name for half of the ground. 

  • That which is left; a remnant; a fragment; a scrap. 

  • Death. 

  • The position at the end of either the offensive or defensive line, a tight end, a split end, a defensive end. 

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