Mainland vs Sully

Mainland

name
  • The largest island in the Orkney Islands council area, to the north of Scotland. 

  • The largest island in the Shetland Islands council area, to the north of both Orkney and Scotland. 

  • A historical region in British Columbia, British North America, British Empire 

Sully

name
  • A coastal village in the Vale of Glamorgan county borough, Wales, United Kingdom (OS grid ref ST1568). 

  • A surname. 

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