Cargo vs Millstone

Cargo

name

  • A village in Kingmoor parish, Carlisle, Cumbria, England (OS grid ref NY3659). 

  • A surname. 

Millstone

name

  • A borough of Somerset County, New Jersey. 

  • An unincorporated community in Mercer County, New Jersey, United States. 

  • A nuclear power station near Waterford, Connecticut, USA. 

  • The Millstone River, a tributary of the Raritan River in New Jersey. 

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