Mainland vs Quarter

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 

Quarter

name
  • A village in South Lanarkshire council area, Scotland (OS grid ref NS7251). 

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