carrick vs ulster

carrick

noun
  • A greatcoat. 

ulster

noun
  • A long, loose overcoat made of wool or other rough material, often called a greatcoat, which sometimes features an attached shoulder cape covering the back and sleeves, and which can sometimes be buttoned in front. 

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