Cascade vs Oasis

Cascade

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

  • A town in Montana. 

  • A town in Wisconsin. 

  • A town and settlement in Jamaica. 

  • A town in Western Australia. 

  • A city in Iowa. 

  • An administrative district in Seychelles 

Oasis

name
  • A census-designated place in Elko County, Nevada, United States. 

  • A census-designated place in Riverside County, California, United States. 

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