hurdle vs windrow

hurdle

verb
  • To hedge, cover, make, or enclose with hurdles. 

  • To compete in the track and field events of hurdles (e.g. high hurdles). 

  • To overcome an obstacle. 

  • To jump over something while running. 

noun
  • An artificial barrier, variously constructed, over which athletes or horses jump in a race. 

  • An obstacle, real or perceived, physical or abstract. 

  • A movable frame of wattled twigs, osiers, or withes and stakes, or sometimes of iron, used for enclosing land, for folding sheep and cattle, for gates, etc.; also, in fortification, used as revetments, and for other purposes. 

windrow

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

noun
  • 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 ridge or berm at a perimeter 

  • 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. 

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