overpass vs put out to pasture

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. 

put out to pasture

verb
  • To discontinue something. 

  • To make someone retire, especially due to advancing age. 

  • Used other than figuratively or idiomatically: see put out, to, pasture. 

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