Channel vs Lightwater

Channel

name
  • A former village, a district of Channel-Port aux Basques, Newfoundland, Newfoundland and Labrador, Canada 

Lightwater

name
  • A large village in Windlesham parish, Surrey Heath borough, Surrey, England (OS grid ref SU9262). 

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