robe vs winter coat

robe

noun
  • The skin of an animal, especially the bison, dressed with the fur on, and used as a wrap. 

  • A long loose outer garment, often signifying honorary stature. 

  • A wardrobe, especially one built into a bedroom. 

  • The largest and strongest tobacco leaves. 

verb
  • To put on official vestments. 

  • To clothe; to dress. 

winter coat

noun
  • An animal's seasonal appearance in winter, notably thicker and/or otherwise camouflaged plumage or fur after (often autumnal) moulting 

  • A warm coat, often an overcoat, fit to be worn in winter 

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