consumable vs practicable

consumable

adj
  • That is consumed or depleted upon use. 

  • That may be eaten. 

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

practicable

adj
  • Available for use; accessible or employable. 

  • Capable of being accomplished; feasible. 

  • Serving a useful function; useful, functional or handy. 

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