Bugle vs Comber

Bugle

name

  • A village in Treverbyn parish, Cornwall, England (OS grid ref SX0158). 

Comber

name

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

  • A surname. 

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