divider vs overpass

divider

noun
  • The median (US) or central reservation (UK) of a highway or other road where traffic in opposite directions are kept separated. 

  • A physical object for dividing up a space. 

  • A piece of card placed in a ring binder to separate groups of documents. 

  • An electronic device for separating a signal, frequency, etc., into two or more parts. 

  • One who or that which divides or separates. 

  • A device resembling a drawing compass and used to transfer measurements of length. 

overpass

noun
  • A section of a road or path that crosses over an obstacle, especially another road, railway, etc. 

verb
  • To pass above something, as when flying or moving on a higher road. 

  • To exceed, overstep, or transcend a limit, threshold, or goal. 

  • To disregard, skip, or miss something. 

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