bibelot vs bric-a-brac

bibelot

noun
  • A bauble, knickknack or trinket. 

  • A miniature book of an elegant design. 

bric-a-brac

noun
  • Small ornaments and other miscellaneous display items of little value. 

  • Any collection containing a variety of miscellaneous items; a hodgepodge, an olio. 

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