chewable vs unstable

chewable

adj
  • Chewy. 

  • Capable of being chewed. 

  • Allowing for a particular type of bid that does not trigger the flip-in. 

noun
  • A medicine supplied in a form that can be chewed. 

  • Anything that is chewable; anything that is able to be chewed. 

unstable

adj
  • Fickle. 

  • Readily decomposable. 

  • Not stable. 

  • Radioactive, especially with a short half-life. 

  • Unpredictable. 

  • Having a strong tendency to change. 

  • Fluctuating; not constant. 

verb
  • To release (an animal) from a stable. 

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