Difference between Knickknackery and Bric-a-brac

What is the difference between Knickknackery and Bric-a-brac?

Knickknackery as a noun is various trinkets or novelties; bric-a-brac. while Bric-a-brac as a noun is small ornaments and other miscellaneous items of little value.

We hope you now know whether to use Knickknackery or Bric-a-brac in your sentence.