Burberry vs overcoat

Burberry

name
  • A British luxury clothing brand. 

  • A surname. 

overcoat

noun
  • A heavy garment worn over other clothes, for protection from cold or weather. 

verb
  • To apply an exterior coating to. 

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