bric-a-brac vs whatnot

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. 

whatnot

noun
  • A freestanding set of shelves on which ornaments are displayed; an etagere. 

  • Other related objects or ideas. 

  • A small unspecified object; bric-a-brac (in plural) 

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