paper clip vs paperweight

paper clip

noun
  • A small, folded, wire or plastic device used to hold sheets of paper together. 

paperweight

noun
  • A small, decorative, somewhat weighty object placed on one or more pieces of paper to keep them from fluttering away. 

  • Any object used for this purpose. 

  • A useless piece of equipment. 

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