consumable vs inedible

consumable

adj
  • That is consumed or depleted upon use. 

  • That may be eaten. 

noun
  • A material or product that is produced for consumption. 

inedible

adj
  • not edible; not appropriate, worthy, or safe to eat 

noun
  • Anything inedible; that which is not a foodstuff. 

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