silvering vs trinket

silvering

noun
  • The silver used in this kind of coating. 

  • The process of coating a surface with a thin layer of silver (or a similar metal), especially so as to form a mirror. 

trinket

noun
  • A small showy ornament or piece of jewelry 

  • A thing of little value; a trifle; a toy. 

  • A three-cornered sail formerly carried on a ship's foremast, probably on a lateen yard. 

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