Channel vs Valley

Channel

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

Valley

name
  • A community in Colchester, Nova Scotia, Canada. 

  • A city in Nebraska, United States. 

  • A village and community in Anglesey, Wales, United Kingdom (OS grid ref SH2979). 

  • A city in Chambers County, Alabama, United States, on the Georgia state line. 

  • A surname from landforms. 

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