stoke vs tug

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. 

tug

noun
  • A trace, or drawing strap, of a harness. 

  • A dog toy consisting of a rope, often with a knot in it. 

  • A tugboat. 

  • An iron hook of a hoisting tub, to which a tackle is affixed. 

  • A sudden powerful pull. 

  • An act of male masturbation. 

verb
  • To masturbate. 

  • To tow by tugboat. 

  • To pull or drag with great effort. 

  • To pull hard repeatedly. 

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