canoe vs winter rat

canoe

noun
  • An oversize, usually older, luxury car. 

  • A small long and narrow boat, propelled by one or more people (depending on the size of canoe), using single-bladed paddles. The paddlers face in the direction of travel, in either a seated position, or kneeling on the bottom of the boat. Canoes are open on top, and pointed at both ends. 

  • Any of the deflectors positioned around a roulette wheel, shaped like upside-down boats. 

verb
  • To ride or paddle a canoe. 

winter rat

noun
  • An old, unattractive automobile, purchased for little money, to be driven during brutal Great Lakes winters while the owner's "good" car remains garaged and protected from corrosive road salt for the season. 

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