House vs Mainland

House

name
  • An unincorporated community in North Carolina. 

  • More generally, a shortened name for any chamber of a legislature that is named "House of...", especially where the other chamber(s) are not so named, or where there is no other chamber (unicameral). 

  • A village in New Mexico. 

  • A topographic surname from Middle English for someone residing in a house (as opposed to a hut) or in a religious house. 

Mainland

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

  • 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. 

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