bibelot vs trapping

bibelot

noun
  • A bauble, knickknack or trinket. 

  • A miniature book of an elegant design. 

trapping

noun
  • An instance of ensnaring something or someone. 

  • An ornamental covering or harness for a horse; caparison. 

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