bertha vs pelisse

bertha

noun
  • A lace collar that covers the shoulders of a dress 

pelisse

noun
  • A long cloak formerly worn by women, with a shoulder cape or hood, often lined or trimmed with fur. 

  • A fur-lined robe or cloak, especially as part of a uniform. 

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