overpass vs walk away from

overpass

verb
  • To disregard, skip, or miss something. 

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

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

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

walk away from

verb
  • To abandon or leave; to shun; to refuse. 

  • To outpace effortlessly. 

  • To escape (a mishap, accident, etc.) with minimal or no injury. 

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