slab vs trading card

slab

noun
  • A large, flat piece of solid material; a solid object that is large and flat. 

  • A poured-concrete foundation for a building. 

  • A car that has been modified with equipment such as loudspeakers, lights, special paint, hydraulics, and other accessories. 

  • A very large wave. 

  • The slack part of a sail. 

  • A paving stone; a flagstone. 

  • A large, luxury pre-1980 General Motors vehicle, particularly a Buick, Oldsmobile, or Cadillac. 

  • The amount by which a cache can grow or shrink, used in memory allocation. 

  • An outside piece taken from a log or timber when sawing it into boards, planks, etc. 

  • A sequence of 12 adjacent bits, serving as a byte in some computers. 

  • A carton containing 24 cans (chiefly of beer). 

  • Part of a tectonic plate that is being, or has been, subducted. 

verb
  • To make something into a slab. 

trading card

noun
  • A collectible card, sometimes sticker, usually made out of paperboard or thick paper, which usually contains an image of a certain person, place or thing (fictional or real) and a short description of the picture, along with other text (attacks, statistics, or trivia). There is a wide variation of different types of cards, like sports, cars, natural history, film characters or other information of interest to purchasers. Sometimes is included with tobacco, food or confectionery products. 

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