descending vs earthbound

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. 

earthbound

adj
  • Heading towards Earth. 

  • Unimaginative or mundane. 

  • Confined to the Earth; unable to leave Earth, either physically or spiritually. 

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