ascending vs built-up

ascending

adj
  • Rising or increasing to higher levels, values, or degrees. 

  • That causes a sequence to follow an ascending order. 

  • Sloping or leading upwards. 

noun
  • An ascent. 

built-up

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

  • 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. 

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

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