desiccant vs impoverished

desiccant

adj
  • Causing dryness. 

noun
  • A substance (such as calcium oxide or silica gel) that is used as a drying agent because of its high affinity for water. 

impoverished

adj
  • Having lost a component, an ingredient, or a faculty or a feature; rendered poor in something; depleted. 

  • Reduced to poverty. 

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