liven up vs stoke

liven up

verb
  • To improve a person's mood by making them more energetic 

  • To become more happy, energetic or positive 

stoke

verb
  • To encourage a behavior or emotion. 

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

  • To poke, pierce, thrust. 

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

noun
  • An act of poking, piercing, thrusting 

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