dilly vs unstable

dilly

adj
  • Silly; characteristic of a dill. 

  • Redolent of dill (the herb). 

noun
  • Someone or something that is remarkable or unusual. 

  • A dilly bag. 

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 dilly and unstable occurred in a corpus of books? (source: Google Ngram Viewer )