dead-end vs overpass

dead-end

noun
  • A road with no exit. 

  • A position that offers no hope of progress. 

verb
  • To come to a dead-end. 

adj
  • Going nowhere; blocked. 

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 dead-end and overpass occurred in a corpus of books? (source: Google Ngram Viewer )