inedible vs nonedible

inedible

noun

  • Anything inedible; that which is not a foodstuff. 

adj

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

nonedible

noun

  • inedible 

adj

  • inedible 

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