freeboard vs lee

freeboard

noun
  • The vertical distance between the waterline and the uppermost watertight deck of a vessel. 

  • The distance between a water level and the top of something that contains or restrains it (such as a dam). 

  • The distance between the top of sea ice and the water level. 

  • A type of skateboard which simulates the movement of a snowboard when used on a downhill coarse, allowing snowboarding techniques, which has an addition of two centerline casters that extend below the traditional skateboard wheels and bogies. 

lee

noun
  • The side of the ship away from the wind. 

  • A protected cove or harbor, out of the wind. 

  • A sheltered place, especially a place protected from the wind by some object; the side sheltered from the wind (see also leeside); shelter; protection. 

adj
  • Facing away from the flow of a fluid, usually air. 

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