stoke vs traction

stoke

verb
  • To poke, pierce, thrust. 

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

  • To encourage a behavior or emotion. 

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

noun
  • An act of poking, piercing, thrusting 

traction

verb
  • To apply a sustained pull to (a limb, etc.). 

noun
  • The condition of being so pulled. 

  • The extent of adoption of a new product or service, typically measured in number of customers or level of revenue achieved. 

  • Popular support. 

  • A mechanically applied sustained pull, especially to a limb. 

  • Collectively, the locomotives of a railroad, especially electric locomotives. 

  • The act of pulling something along a surface using motive power. 

  • The pulling power of an engine or animal. 

  • Grip. 

  • Scholarly interest and research. 

  • The adhesive friction of a wheel etc on a surface. 

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