space heater vs stove

space heater

noun
  • A portable heating appliance used to warm an area or room. 

stove

noun
  • A heater, a closed apparatus to burn fuel for the warming of a room. 

  • A hothouse (heated greenhouse). 

  • A stovetop, with hotplates. 

  • A device for heating food, (UK) a cooker. 

verb
  • To keep warm, in a house or room, by artificial heat. 

  • To heat or dry, as in a stove. 

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