All these wonders afforded Peggotty as much pleasure as she was able to enjoy, under existing circumstances: except, I think, St. Paul’s, which, from her long attachment to her work-box, became a rival of the picture on the lid, and was, in some particulars, vanquished, she considered, by that work of art.
There are no more uses of "vanquish" in the book.
Show samples from other sources
The team vanquished all competition.
You need to vanquish those negative thoughts and think about good things.