descending vs sagging

descending

adj
  • Moving or sloping downwards. 

  • Ordered such that each element is less than or equal to the previous element. 

  • Becoming lower in pitch. 

  • Causing a sequence to follow a descending order. 

noun
  • A descent. 

sagging

adj
  • Hanging down loosely. 

  • Worn low on the waist, or wearing pants or shorts low on the waist. 

noun
  • A manner of wearing pants or shorts below the waist, revealing some or all of the underwear. 

  • The act of something that sags. 

How often have the words descending and sagging occurred in a corpus of books? (source: Google Ngram Viewer )