Cascade vs Harrow

Cascade

name
  • A town in Western Australia. 

  • A town in Montana. 

  • A town in Wisconsin. 

  • A town and settlement in Jamaica. 

  • A small city, the county seat of Valley County, Idaho, United States. 

  • A city in Iowa. 

  • An administrative district in Seychelles 

Harrow

name
  • A town in northwestern Greater London, England. 

  • A London borough of Greater London, England. 

  • A prestigious public school for boys in the town of Harrow. 

  • A surname originating as an occupation for a harrower. 

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