auctioneer vs hawker

auctioneer

noun
  • A person who conducts an auction on behalf of a vendor, taking bids to find the best price for the vendor. 

verb
  • To sell at an auction; to auction. 

hawker

noun
  • A peddler, a huckster, a person who sells easily transportable goods. 

  • Any dragonfly of the family Aeshnidae; a darner. 

  • Someone who breeds and trains hawks and other falcons; a falconer. 

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