Comber vs Main

Comber

name
  • A town in County Down, Northern Ireland (Irish grid ref J4669). 

  • A surname. 

Main

name
  • A river in Northern Ireland, flowing into Lough Neagh. 

  • A river in southern Germany, flowing from Bavaria to the Rhine. 

  • A surname. 

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