scarp vs windrow

scarp

noun
  • The steep artificial slope below a fort's parapet. 

  • A cliff at the edge of a plateau or ridge caused by erosion or faulting; the steeper side of an escarpment. 

verb
  • to cut, scrape, erode, or otherwise make into a scarp or escarpment 

windrow

noun
  • A ridge or berm at a perimeter 

  • The green border of a field, dug up in order to carry the earth onto other land to improve it. 

  • A line of snow left behind by the edge of a snowplow’s blade. 

  • A long snowbank along the side of a road. 

  • A line of leaves etc heaped up by the wind. 

  • A similar streak of seaweed etc on the surface of the sea formed by Langmuir circulation. 

  • A line of gravel left behind by the edge of a grader’s blade. 

  • A row of cut grain or hay allowed to dry in a field. 

verb
  • To arrange (e.g. new-made hay) in lines or windrows. 

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