descending vs nosedive

descending

noun
  • A descent. 

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

  • Moving or sloping downwards. 

  • Becoming lower in pitch. 

  • Causing a sequence to follow a descending order. 

nosedive

noun
  • A rapid fall, e.g. in price or value. 

  • A headfirst fall or jump. 

  • A drop in altitude with the nose of the craft angled downwards. 

verb
  • To dive down in a steep angle. 

  • To perform a rapid fall in price or value. 

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