boil up vs stoke

boil up

verb
  • To cook or prepare by boiling. 

  • To become more excited, intense or exciting. 

noun
  • A traditionally Maori soup/stew made with potatoes, pork and other ingredients. 

stoke

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

  • 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. 

noun
  • An act of poking, piercing, thrusting 

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