canoe vs water wheel

canoe

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

  • 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. 

verb
  • To ride or paddle a canoe. 

water wheel

noun
  • A wheel, propelled by running or falling water, used to power machinery. 

  • A wheel with buckets used to raise water. 

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