fish slice vs pancake turner

fish slice

noun
  • A kitchen utensil used to turn foodstuffs (commonly, burgers and omelettes) in a frying pan; a spatula. 

pancake turner

noun
  • A spatula; fish slice; kitchen turner; cooking turner. 

  • One who operates a sound-effect machine or record player for a business that broadcasts the music (or other sounds). 

How often have the words fish slice and pancake turner occurred in a corpus of books? (source: Google Ngram Viewer )