immersion blender vs stirrer

immersion blender

noun
  • A long, electric, hand-held tool with sharp blades at the end, designed for immersion into food to mash or liquefy it. 

stirrer

noun
  • A device used to stir. 

  • A person who spreads rumours or causes agitation. 

  • One who stirs or moves about, as after sleep. 

  • A person who stirs something. 

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