Duck vs Tweed

Duck

name
  • An unincorporated community in West Virginia. 

  • A surname transferred from the nickname. 

  • A town in North Carolina. 

Tweed

name
  • An unincorporated community in Laurens County, Georgia, United States. 

  • A river in this region of New South Wales. 

  • A municipality and community therein, in Hastings County, Ontario, Canada. 

  • A river in the United Kingdom; a river in the Scottish Borders area which for part of its length forms the border between Scotland and England. It flows into the North Sea at Berwick-upon-Tweed and Tweedmouth, England. 

  • Tweed Shire, a local government area in the Northern Rivers region of New South Wales, Australia, named after the Tweed River. 

  • A surname. 

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