built-up vs untouched

built-up

adj
  • Made of sections or layers, one on top of the other. 

  • Having buildings, especially having residences and high population density. 

  • Constructed or enhanced. 

  • (of an area of land) Having street lights and therefore subject to a 30 mph speed limit. 

  • Having increased in size, quantity, or intensity over time; accumulated. 

  • (of an area of land) Having specific traffic signaling and therefore usually subject to a maximum 50 km/h speed limit. 

untouched

adj
  • Remaining in its original, pristine state, undamaged; not altered. 

  • Not eaten. 

  • Not having come in contact. 

  • Not talked about. 

  • Not read or examined. 

  • Not influenced, affected or swayed. 

How often have the words built-up and untouched occurred in a corpus of books? (source: Google Ngram Viewer )