Ferry vs Portal

Ferry

name

  • An unincorporated community in Greene County, Ohio, United States. 

  • A surname. 

  • A census-designated place in Denali Borough, Alaska, United States. 

  • A township in Oceana County, Michigan, United States, named after Thomas W. Ferry. 

Portal

name

  • A town in Georgia, United States. 

  • A surname. 

  • A municipality of North Dakota. 

  • A ghost town in California. 

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