nuance vs old saw

nuance

verb
  • To apply a nuance to; to change or redefine in a subtle way. 

noun
  • A minor distinction. 

  • Subtlety or fine detail. 

old saw

noun
  • A cliché, saying, or overused expression; especially a proverb or maxim. 

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