spoon lure vs tablespoon

spoon lure

noun
  • An oblong, concave lure, usually of metal or shell, shaped like the bowl of a spoon. 

tablespoon

noun
  • A large spoon, used for eating food from a bowl. 

  • A spoon too large for eating, usually used for cooking or serving. 

  • A unit of volume, the value of which varies regionally; in the US: three teaspoons or one half fluid ounce or roughly 15 ml; in Britain and Canada: exactly 15 ml; in Russia 18 ml; in Australia: four teaspoons or 20 ml. 

How often have the words spoon lure and tablespoon occurred in a corpus of books? (source: Google Ngram Viewer )