plimsoll vs tackie

plimsoll

noun
  • A rubber-soled lace-up canvas shoe for sports or onboard ships; a precursor of trainers. 

  • The plimsoll symbol ⦵ (or o) that is used as a superscript in the notation of thermodynamics to indicate an arbitrarily chosen non-zero reference point. 

tackie

noun
  • A canvas shoe with a rubber sole. 

  • Another word for trainers or runners. 

  • The tyre of a car or other vehicle. 

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