Briar vs Muff

Briar

name
  • A topographic surname from Middle English. 

  • A unisex given name from English. 

Muff

name
  • A diminutive of the female given name Myfanwy 

  • A surname. 

  • A village in County Donegal, Ireland 

  • An unincorporated community in Armstrong County, Pennsylvania, United States 

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