holder vs pannier

holder

noun
  • A thing that holds. 

  • A person who temporarily or permanently possesses something. 

  • The defending champion. 

  • One who is employed in the hold of a vessel. 

pannier

noun
  • A large basket or bag fastened, usually in pairs, to the back of a bicycle or pack animal, or carried in pairs over the shoulders. 

  • One of a pair of hoops used to expand the volume of a woman's skirt to either side. 

  • A breadbasket. 

  • A piece of basketwork for protecting archers, or, filled with gravel or sand, for forming and protecting embankments, etc. 

  • A decorative basket for the display of flowers or fruits. 

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