Briar vs Thorn

Briar

name
  • A topographic surname from Middle English. 

  • A unisex given name from English. 

Thorn

name
  • A topographic surname from Middle English for someone living near a thorn bush. 

  • Former name of Whitethorn, Humboldt County, California. 

  • An unincorporated community in Chickasaw County, Mississippi, United States. 

  • A hamlet in Houghton Regis parish, Central Bedfordshire, Bedfordshire, England (OS grid ref TL0024). 

  • A village in Maasgouw municipality, Limburg province, Netherlands. 

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