stoke vs subduction

stoke

noun
  • An act of poking, piercing, thrusting 

verb
  • To attend to or supply a furnace with fuel; to act as a stoker or fireman. 

  • To poke, pierce, thrust. 

  • To encourage a behavior or emotion. 

  • To feed, stir up, especially, a fire or furnace. 

subduction

noun
  • The action of being pushed or drawn beneath another object. 

  • The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary. 

  • Arithmetical subtraction. 

  • A surjection between diffeological spaces such that the target is identified as the pushforward of the source. 

  • The act of subducting or taking away. 

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